Home / 66,755.75-92,127.38-38,463.26

Finding the Fourth Proportional to 66,755.75, 92,127.38 and 38,463.26

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Solution

The fourth proportional to 66,755.75, 92,127.38 and 38,463.26 is: 53,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,755.75 : 92,127.38 = 38,463.26 : x
  2. Step 2: Convert to fraction form
    66,755.75/92,127.38 = 38,463.26/x
  3. Step 3: Cross multiply
    66,755.75x = 92,127.38 × 38,463.26
  4. Step 4: Simplify right side
    66,755.75x = 3,543,518,717.11
  5. Step 5: Solve for x
    x = 3,543,518,717.11/66,755.75
  6. Step 6: Final answer
    x = 53,081.85

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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.