Home / 51,545.20-71,133.17-31,402.93

Finding the Fourth Proportional to 51,545.20, 71,133.17 and 31,402.93

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Solution

The fourth proportional to 51,545.20, 71,133.17 and 31,402.93 is: 43,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,545.20 : 71,133.17 = 31,402.93 : x
  2. Step 2: Convert to fraction form
    51,545.20/71,133.17 = 31,402.93/x
  3. Step 3: Cross multiply
    51,545.20x = 71,133.17 × 31,402.93
  4. Step 4: Simplify right side
    51,545.20x = 2,233,789,958.19
  5. Step 5: Solve for x
    x = 2,233,789,958.19/51,545.20
  6. Step 6: Final answer
    x = 43,336.53

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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.