Home / 75,545.12-113,234.50-31,147.52

Finding the Fourth Proportional to 75,545.12, 113,234.50 and 31,147.52

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Solution

The fourth proportional to 75,545.12, 113,234.50 and 31,147.52 is: 46,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,545.12 : 113,234.50 = 31,147.52 : x
  2. Step 2: Convert to fraction form
    75,545.12/113,234.50 = 31,147.52/x
  3. Step 3: Cross multiply
    75,545.12x = 113,234.50 × 31,147.52
  4. Step 4: Simplify right side
    75,545.12x = 3,526,973,853.44
  5. Step 5: Solve for x
    x = 3,526,973,853.44/75,545.12
  6. Step 6: Final answer
    x = 46,686.98

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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.