Home / 52,414.60-78,621.90-34,918.60

Finding the Fourth Proportional to 52,414.60, 78,621.90 and 34,918.60

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Solution

The fourth proportional to 52,414.60, 78,621.90 and 34,918.60 is: 52,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,414.60 : 78,621.90 = 34,918.60 : x
  2. Step 2: Convert to fraction form
    52,414.60/78,621.90 = 34,918.60/x
  3. Step 3: Cross multiply
    52,414.60x = 78,621.90 × 34,918.60
  4. Step 4: Simplify right side
    52,414.60x = 2,745,366,677.34
  5. Step 5: Solve for x
    x = 2,745,366,677.34/52,414.60
  6. Step 6: Final answer
    x = 52,377.90

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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.