Home / 65,555.73-90,248.22-62,543.04

Finding the Fourth Proportional to 65,555.73, 90,248.22 and 62,543.04

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Solution

The fourth proportional to 65,555.73, 90,248.22 and 62,543.04 is: 86,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.73 : 90,248.22 = 62,543.04 : x
  2. Step 2: Convert to fraction form
    65,555.73/90,248.22 = 62,543.04/x
  3. Step 3: Cross multiply
    65,555.73x = 90,248.22 × 62,543.04
  4. Step 4: Simplify right side
    65,555.73x = 5,644,398,033.39
  5. Step 5: Solve for x
    x = 5,644,398,033.39/65,555.73
  6. Step 6: Final answer
    x = 86,100.76

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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.