Home / 42,766.56-64,149.68-11,601.76

Finding the Fourth Proportional to 42,766.56, 64,149.68 and 11,601.76

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Solution

The fourth proportional to 42,766.56, 64,149.68 and 11,601.76 is: 17,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.56 : 64,149.68 = 11,601.76 : x
  2. Step 2: Convert to fraction form
    42,766.56/64,149.68 = 11,601.76/x
  3. Step 3: Cross multiply
    42,766.56x = 64,149.68 × 11,601.76
  4. Step 4: Simplify right side
    42,766.56x = 744,249,191.44
  5. Step 5: Solve for x
    x = 744,249,191.44/42,766.56
  6. Step 6: Final answer
    x = 17,402.60

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1.5x scale

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.