Home / 61,020.92-91,545.96-31,436.48

Finding the Fourth Proportional to 61,020.92, 91,545.96 and 31,436.48

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Solution

The fourth proportional to 61,020.92, 91,545.96 and 31,436.48 is: 47,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,020.92 : 91,545.96 = 31,436.48 : x
  2. Step 2: Convert to fraction form
    61,020.92/91,545.96 = 31,436.48/x
  3. Step 3: Cross multiply
    61,020.92x = 91,545.96 × 31,436.48
  4. Step 4: Simplify right side
    61,020.92x = 2,877,882,740.62
  5. Step 5: Solve for x
    x = 2,877,882,740.62/61,020.92
  6. Step 6: Final answer
    x = 47,162.23

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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.