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Finding the Fourth Proportional to 96,590, 133,294.68 and 56,331.68

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Solution

The fourth proportional to 96,590, 133,294.68 and 56,331.68 is: 77,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,590 : 133,294.68 = 56,331.68 : x
  2. Step 2: Convert to fraction form
    96,590/133,294.68 = 56,331.68/x
  3. Step 3: Cross multiply
    96,590x = 133,294.68 × 56,331.68
  4. Step 4: Simplify right side
    96,590x = 7,508,713,259.46
  5. Step 5: Solve for x
    x = 7,508,713,259.46/96,590
  6. Step 6: Final answer
    x = 77,738.00

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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.