Home / 83,795.90-125,734.80-39,427.04

Finding the Fourth Proportional to 83,795.90, 125,734.80 and 39,427.04

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Solution

The fourth proportional to 83,795.90, 125,734.80 and 39,427.04 is: 59,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,795.90 : 125,734.80 = 39,427.04 : x
  2. Step 2: Convert to fraction form
    83,795.90/125,734.80 = 39,427.04/x
  3. Step 3: Cross multiply
    83,795.90x = 125,734.80 × 39,427.04
  4. Step 4: Simplify right side
    83,795.90x = 4,957,350,988.99
  5. Step 5: Solve for x
    x = 4,957,350,988.99/83,795.90
  6. Step 6: Final answer
    x = 59,159.83

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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.