Home / 69,337.85-95,686.25-39,129.57

Finding the Fourth Proportional to 69,337.85, 95,686.25 and 39,129.57

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Solution

The fourth proportional to 69,337.85, 95,686.25 and 39,129.57 is: 53,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,337.85 : 95,686.25 = 39,129.57 : x
  2. Step 2: Convert to fraction form
    69,337.85/95,686.25 = 39,129.57/x
  3. Step 3: Cross multiply
    69,337.85x = 95,686.25 × 39,129.57
  4. Step 4: Simplify right side
    69,337.85x = 3,744,161,621.76
  5. Step 5: Solve for x
    x = 3,744,161,621.76/69,337.85
  6. Step 6: Final answer
    x = 53,998.82

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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.