Home / 86,249.46-129,330.30-39,462.24

Finding the Fourth Proportional to 86,249.46, 129,330.30 and 39,462.24

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Solution

The fourth proportional to 86,249.46, 129,330.30 and 39,462.24 is: 59,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,249.46 : 129,330.30 = 39,462.24 : x
  2. Step 2: Convert to fraction form
    86,249.46/129,330.30 = 39,462.24/x
  3. Step 3: Cross multiply
    86,249.46x = 129,330.30 × 39,462.24
  4. Step 4: Simplify right side
    86,249.46x = 5,103,663,337.87
  5. Step 5: Solve for x
    x = 5,103,663,337.87/86,249.46
  6. Step 6: Final answer
    x = 59,173.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.