Home / 66,223.53-91,387.98-36,008.82

Finding the Fourth Proportional to 66,223.53, 91,387.98 and 36,008.82

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Solution

The fourth proportional to 66,223.53, 91,387.98 and 36,008.82 is: 49,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,223.53 : 91,387.98 = 36,008.82 : x
  2. Step 2: Convert to fraction form
    66,223.53/91,387.98 = 36,008.82/x
  3. Step 3: Cross multiply
    66,223.53x = 91,387.98 × 36,008.82
  4. Step 4: Simplify right side
    66,223.53x = 3,290,773,321.98
  5. Step 5: Solve for x
    x = 3,290,773,321.98/66,223.53
  6. Step 6: Final answer
    x = 49,691.90

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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.