Home / 83,977.18-125,996.46-39,019.30

Finding the Fourth Proportional to 83,977.18, 125,996.46 and 39,019.30

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Solution

The fourth proportional to 83,977.18, 125,996.46 and 39,019.30 is: 58,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,977.18 : 125,996.46 = 39,019.30 : x
  2. Step 2: Convert to fraction form
    83,977.18/125,996.46 = 39,019.30/x
  3. Step 3: Cross multiply
    83,977.18x = 125,996.46 × 39,019.30
  4. Step 4: Simplify right side
    83,977.18x = 4,916,293,671.68
  5. Step 5: Solve for x
    x = 4,916,293,671.68/83,977.18
  6. Step 6: Final answer
    x = 58,543.21

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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.