Home / 109,572.90-151,229.15-63,625.38

Finding the Fourth Proportional to 109,572.90, 151,229.15 and 63,625.38

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Solution

The fourth proportional to 109,572.90, 151,229.15 and 63,625.38 is: 87,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,572.90 : 151,229.15 = 63,625.38 : x
  2. Step 2: Convert to fraction form
    109,572.90/151,229.15 = 63,625.38/x
  3. Step 3: Cross multiply
    109,572.90x = 151,229.15 × 63,625.38
  4. Step 4: Simplify right side
    109,572.90x = 9,622,012,135.83
  5. Step 5: Solve for x
    x = 9,622,012,135.83/109,572.90
  6. Step 6: Final answer
    x = 87,813.79

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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.