Home / 107,747.40-161,545.96-47,743.24

Finding the Fourth Proportional to 107,747.40, 161,545.96 and 47,743.24

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Solution

The fourth proportional to 107,747.40, 161,545.96 and 47,743.24 is: 71,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,747.40 : 161,545.96 = 47,743.24 : x
  2. Step 2: Convert to fraction form
    107,747.40/161,545.96 = 47,743.24/x
  3. Step 3: Cross multiply
    107,747.40x = 161,545.96 × 47,743.24
  4. Step 4: Simplify right side
    107,747.40x = 7,712,727,539.31
  5. Step 5: Solve for x
    x = 7,712,727,539.31/107,747.40
  6. Step 6: Final answer
    x = 71,581.57

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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.