Home / 94,672.60-142,124.10-71,114.20

Finding the Fourth Proportional to 94,672.60, 142,124.10 and 71,114.20

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Solution

The fourth proportional to 94,672.60, 142,124.10 and 71,114.20 is: 106,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,672.60 : 142,124.10 = 71,114.20 : x
  2. Step 2: Convert to fraction form
    94,672.60/142,124.10 = 71,114.20/x
  3. Step 3: Cross multiply
    94,672.60x = 142,124.10 × 71,114.20
  4. Step 4: Simplify right side
    94,672.60x = 10,107,041,672.22
  5. Step 5: Solve for x
    x = 10,107,041,672.22/94,672.60
  6. Step 6: Final answer
    x = 106,757.83

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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.