Home / 93,831.28-129,490.28-51,392.16

Finding the Fourth Proportional to 93,831.28, 129,490.28 and 51,392.16

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Solution

The fourth proportional to 93,831.28, 129,490.28 and 51,392.16 is: 70,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,831.28 : 129,490.28 = 51,392.16 : x
  2. Step 2: Convert to fraction form
    93,831.28/129,490.28 = 51,392.16/x
  3. Step 3: Cross multiply
    93,831.28x = 129,490.28 × 51,392.16
  4. Step 4: Simplify right side
    93,831.28x = 6,654,785,188.20
  5. Step 5: Solve for x
    x = 6,654,785,188.20/93,831.28
  6. Step 6: Final answer
    x = 70,922.89

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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.