Home / 77,831.02-107,308.56-50,930.92

Finding the Fourth Proportional to 77,831.02, 107,308.56 and 50,930.92

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Solution

The fourth proportional to 77,831.02, 107,308.56 and 50,930.92 is: 70,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,831.02 : 107,308.56 = 50,930.92 : x
  2. Step 2: Convert to fraction form
    77,831.02/107,308.56 = 50,930.92/x
  3. Step 3: Cross multiply
    77,831.02x = 107,308.56 × 50,930.92
  4. Step 4: Simplify right side
    77,831.02x = 5,465,323,684.68
  5. Step 5: Solve for x
    x = 5,465,323,684.68/77,831.02
  6. Step 6: Final answer
    x = 70,220.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.