Home / 53,545.20-73,893-29,672.16

Finding the Fourth Proportional to 53,545.20, 73,893 and 29,672.16

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Solution

The fourth proportional to 53,545.20, 73,893 and 29,672.16 is: 40,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,545.20 : 73,893 = 29,672.16 : x
  2. Step 2: Convert to fraction form
    53,545.20/73,893 = 29,672.16/x
  3. Step 3: Cross multiply
    53,545.20x = 73,893 × 29,672.16
  4. Step 4: Simplify right side
    53,545.20x = 2,192,564,918.88
  5. Step 5: Solve for x
    x = 2,192,564,918.88/53,545.20
  6. Step 6: Final answer
    x = 40,947.93

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1.5x scale

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.