Home / 86,526.72-129,810.96-32,491.85

Finding the Fourth Proportional to 86,526.72, 129,810.96 and 32,491.85

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Solution

The fourth proportional to 86,526.72, 129,810.96 and 32,491.85 is: 48,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,526.72 : 129,810.96 = 32,491.85 : x
  2. Step 2: Convert to fraction form
    86,526.72/129,810.96 = 32,491.85/x
  3. Step 3: Cross multiply
    86,526.72x = 129,810.96 × 32,491.85
  4. Step 4: Simplify right side
    86,526.72x = 4,217,797,591.62
  5. Step 5: Solve for x
    x = 4,217,797,591.62/86,526.72
  6. Step 6: Final answer
    x = 48,745.61

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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.