Home / 93,831.31-129,490.29-51,392.17

Finding the Fourth Proportional to 93,831.31, 129,490.29 and 51,392.17

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Solution

The fourth proportional to 93,831.31, 129,490.29 and 51,392.17 is: 70,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,831.31 : 129,490.29 = 51,392.17 : x
  2. Step 2: Convert to fraction form
    93,831.31/129,490.29 = 51,392.17/x
  3. Step 3: Cross multiply
    93,831.31x = 129,490.29 × 51,392.17
  4. Step 4: Simplify right side
    93,831.31x = 6,654,786,997.03
  5. Step 5: Solve for x
    x = 6,654,786,997.03/93,831.31
  6. Step 6: Final answer
    x = 70,922.88

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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.