Home / 83,557.28-115,308.42-45,831.26

Finding the Fourth Proportional to 83,557.28, 115,308.42 and 45,831.26

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Solution

The fourth proportional to 83,557.28, 115,308.42 and 45,831.26 is: 63,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,557.28 : 115,308.42 = 45,831.26 : x
  2. Step 2: Convert to fraction form
    83,557.28/115,308.42 = 45,831.26/x
  3. Step 3: Cross multiply
    83,557.28x = 115,308.42 × 45,831.26
  4. Step 4: Simplify right side
    83,557.28x = 5,284,730,177.21
  5. Step 5: Solve for x
    x = 5,284,730,177.21/83,557.28
  6. Step 6: Final answer
    x = 63,246.80

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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.