Home / 102,294.47-141,160.81-56,345.17

Finding the Fourth Proportional to 102,294.47, 141,160.81 and 56,345.17

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Solution

The fourth proportional to 102,294.47, 141,160.81 and 56,345.17 is: 77,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,294.47 : 141,160.81 = 56,345.17 : x
  2. Step 2: Convert to fraction form
    102,294.47/141,160.81 = 56,345.17/x
  3. Step 3: Cross multiply
    102,294.47x = 141,160.81 × 56,345.17
  4. Step 4: Simplify right side
    102,294.47x = 7,953,728,849.26
  5. Step 5: Solve for x
    x = 7,953,728,849.26/102,294.47
  6. Step 6: Final answer
    x = 77,753.27

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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.