Home / 67,079.91-92,564.25-36,864.90

Finding the Fourth Proportional to 67,079.91, 92,564.25 and 36,864.90

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Solution

The fourth proportional to 67,079.91, 92,564.25 and 36,864.90 is: 50,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.91 : 92,564.25 = 36,864.90 : x
  2. Step 2: Convert to fraction form
    67,079.91/92,564.25 = 36,864.90/x
  3. Step 3: Cross multiply
    67,079.91x = 92,564.25 × 36,864.90
  4. Step 4: Simplify right side
    67,079.91x = 3,412,371,819.83
  5. Step 5: Solve for x
    x = 3,412,371,819.83/67,079.91
  6. Step 6: Final answer
    x = 50,870.25

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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.