Home / 77,831.66-107,375.83-57,462.46

Finding the Fourth Proportional to 77,831.66, 107,375.83 and 57,462.46

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Solution

The fourth proportional to 77,831.66, 107,375.83 and 57,462.46 is: 79,274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,831.66 : 107,375.83 = 57,462.46 : x
  2. Step 2: Convert to fraction form
    77,831.66/107,375.83 = 57,462.46/x
  3. Step 3: Cross multiply
    77,831.66x = 107,375.83 × 57,462.46
  4. Step 4: Simplify right side
    77,831.66x = 6,170,078,924.25
  5. Step 5: Solve for x
    x = 6,170,078,924.25/77,831.66
  6. Step 6: Final answer
    x = 79,274.66

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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.