Home / 67,726.16-101,492.45-38,081.78

Finding the Fourth Proportional to 67,726.16, 101,492.45 and 38,081.78

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Solution

The fourth proportional to 67,726.16, 101,492.45 and 38,081.78 is: 57,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,726.16 : 101,492.45 = 38,081.78 : x
  2. Step 2: Convert to fraction form
    67,726.16/101,492.45 = 38,081.78/x
  3. Step 3: Cross multiply
    67,726.16x = 101,492.45 × 38,081.78
  4. Step 4: Simplify right side
    67,726.16x = 3,865,012,962.15
  5. Step 5: Solve for x
    x = 3,865,012,962.15/67,726.16
  6. Step 6: Final answer
    x = 57,068.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.