Home / 76,897.92-106,116.17-42,904.65

Finding the Fourth Proportional to 76,897.92, 106,116.17 and 42,904.65

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Solution

The fourth proportional to 76,897.92, 106,116.17 and 42,904.65 is: 59,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,897.92 : 106,116.17 = 42,904.65 : x
  2. Step 2: Convert to fraction form
    76,897.92/106,116.17 = 42,904.65/x
  3. Step 3: Cross multiply
    76,897.92x = 106,116.17 × 42,904.65
  4. Step 4: Simplify right side
    76,897.92x = 4,552,876,918.67
  5. Step 5: Solve for x
    x = 4,552,876,918.67/76,897.92
  6. Step 6: Final answer
    x = 59,206.76

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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.