Home / 77,823.24-107,394.90-43,831.79

Finding the Fourth Proportional to 77,823.24, 107,394.90 and 43,831.79

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Solution

The fourth proportional to 77,823.24, 107,394.90 and 43,831.79 is: 60,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,823.24 : 107,394.90 = 43,831.79 : x
  2. Step 2: Convert to fraction form
    77,823.24/107,394.90 = 43,831.79/x
  3. Step 3: Cross multiply
    77,823.24x = 107,394.90 × 43,831.79
  4. Step 4: Simplify right side
    77,823.24x = 4,707,310,166.90
  5. Step 5: Solve for x
    x = 4,707,310,166.90/77,823.24
  6. Step 6: Final answer
    x = 60,487.20

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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.