Home / 83,331.62-124,851.60-69,381.26

Finding the Fourth Proportional to 83,331.62, 124,851.60 and 69,381.26

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Solution

The fourth proportional to 83,331.62, 124,851.60 and 69,381.26 is: 103,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,331.62 : 124,851.60 = 69,381.26 : x
  2. Step 2: Convert to fraction form
    83,331.62/124,851.60 = 69,381.26/x
  3. Step 3: Cross multiply
    83,331.62x = 124,851.60 × 69,381.26
  4. Step 4: Simplify right side
    83,331.62x = 8,662,360,696.76
  5. Step 5: Solve for x
    x = 8,662,360,696.76/83,331.62
  6. Step 6: Final answer
    x = 103,950.47

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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.