Home / 67,020.98-92,491.11-38,726.66

Finding the Fourth Proportional to 67,020.98, 92,491.11 and 38,726.66

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Solution

The fourth proportional to 67,020.98, 92,491.11 and 38,726.66 is: 53,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,020.98 : 92,491.11 = 38,726.66 : x
  2. Step 2: Convert to fraction form
    67,020.98/92,491.11 = 38,726.66/x
  3. Step 3: Cross multiply
    67,020.98x = 92,491.11 × 38,726.66
  4. Step 4: Simplify right side
    67,020.98x = 3,581,872,001.22
  5. Step 5: Solve for x
    x = 3,581,872,001.22/67,020.98
  6. Step 6: Final answer
    x = 53,444.04

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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.