Home / 55,743.20-83,617.50-22,458.80

Finding the Fourth Proportional to 55,743.20, 83,617.50 and 22,458.80

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Solution

The fourth proportional to 55,743.20, 83,617.50 and 22,458.80 is: 33,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.20 : 83,617.50 = 22,458.80 : x
  2. Step 2: Convert to fraction form
    55,743.20/83,617.50 = 22,458.80/x
  3. Step 3: Cross multiply
    55,743.20x = 83,617.50 × 22,458.80
  4. Step 4: Simplify right side
    55,743.20x = 1,877,948,709
  5. Step 5: Solve for x
    x = 1,877,948,709/55,743.20
  6. Step 6: Final answer
    x = 33,689.29

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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.