Home / 66,394.17-91,613.25-39,535.83

Finding the Fourth Proportional to 66,394.17, 91,613.25 and 39,535.83

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Solution

The fourth proportional to 66,394.17, 91,613.25 and 39,535.83 is: 54,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,394.17 : 91,613.25 = 39,535.83 : x
  2. Step 2: Convert to fraction form
    66,394.17/91,613.25 = 39,535.83/x
  3. Step 3: Cross multiply
    66,394.17x = 91,613.25 × 39,535.83
  4. Step 4: Simplify right side
    66,394.17x = 3,622,005,877.75
  5. Step 5: Solve for x
    x = 3,622,005,877.75/66,394.17
  6. Step 6: Final answer
    x = 54,553.07

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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.