Home / 83,583.72-125,375.58-70,520.04

Finding the Fourth Proportional to 83,583.72, 125,375.58 and 70,520.04

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Solution

The fourth proportional to 83,583.72, 125,375.58 and 70,520.04 is: 105,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,583.72 : 125,375.58 = 70,520.04 : x
  2. Step 2: Convert to fraction form
    83,583.72/125,375.58 = 70,520.04/x
  3. Step 3: Cross multiply
    83,583.72x = 125,375.58 × 70,520.04
  4. Step 4: Simplify right side
    83,583.72x = 8,841,490,916.62
  5. Step 5: Solve for x
    x = 8,841,490,916.62/83,583.72
  6. Step 6: Final answer
    x = 105,780.06

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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.