Home / 83,154.33-124,731.36-23,990.31

Finding the Fourth Proportional to 83,154.33, 124,731.36 and 23,990.31

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Solution

The fourth proportional to 83,154.33, 124,731.36 and 23,990.31 is: 35,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,154.33 : 124,731.36 = 23,990.31 : x
  2. Step 2: Convert to fraction form
    83,154.33/124,731.36 = 23,990.31/x
  3. Step 3: Cross multiply
    83,154.33x = 124,731.36 × 23,990.31
  4. Step 4: Simplify right side
    83,154.33x = 2,992,343,993.12
  5. Step 5: Solve for x
    x = 2,992,343,993.12/83,154.33
  6. Step 6: Final answer
    x = 35,985.43

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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.