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Finding the Fourth Proportional to 84,697.86, 116,882.24 and 46,456.61

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Solution

The fourth proportional to 84,697.86, 116,882.24 and 46,456.61 is: 64,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,697.86 : 116,882.24 = 46,456.61 : x
  2. Step 2: Convert to fraction form
    84,697.86/116,882.24 = 46,456.61/x
  3. Step 3: Cross multiply
    84,697.86x = 116,882.24 × 46,456.61
  4. Step 4: Simplify right side
    84,697.86x = 5,429,952,699.53
  5. Step 5: Solve for x
    x = 5,429,952,699.53/84,697.86
  6. Step 6: Final answer
    x = 64,109.68

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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.