Home / 124,799.40-187,223.40-53,721.90

Finding the Fourth Proportional to 124,799.40, 187,223.40 and 53,721.90

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Solution

The fourth proportional to 124,799.40, 187,223.40 and 53,721.90 is: 80,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,799.40 : 187,223.40 = 53,721.90 : x
  2. Step 2: Convert to fraction form
    124,799.40/187,223.40 = 53,721.90/x
  3. Step 3: Cross multiply
    124,799.40x = 187,223.40 × 53,721.90
  4. Step 4: Simplify right side
    124,799.40x = 10,057,996,772.46
  5. Step 5: Solve for x
    x = 10,057,996,772.46/124,799.40
  6. Step 6: Final answer
    x = 80,593.31

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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.