Home / 104,542.60-156,749.10-60,147.40

Finding the Fourth Proportional to 104,542.60, 156,749.10 and 60,147.40

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Solution

The fourth proportional to 104,542.60, 156,749.10 and 60,147.40 is: 90,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,542.60 : 156,749.10 = 60,147.40 : x
  2. Step 2: Convert to fraction form
    104,542.60/156,749.10 = 60,147.40/x
  3. Step 3: Cross multiply
    104,542.60x = 156,749.10 × 60,147.40
  4. Step 4: Simplify right side
    104,542.60x = 9,428,050,817.34
  5. Step 5: Solve for x
    x = 9,428,050,817.34/104,542.60
  6. Step 6: Final answer
    x = 90,183.82

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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.