Home / 63,449.28-87,560.40-35,156.76

Finding the Fourth Proportional to 63,449.28, 87,560.40 and 35,156.76

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Solution

The fourth proportional to 63,449.28, 87,560.40 and 35,156.76 is: 48,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,449.28 : 87,560.40 = 35,156.76 : x
  2. Step 2: Convert to fraction form
    63,449.28/87,560.40 = 35,156.76/x
  3. Step 3: Cross multiply
    63,449.28x = 87,560.40 × 35,156.76
  4. Step 4: Simplify right side
    63,449.28x = 3,078,339,968.30
  5. Step 5: Solve for x
    x = 3,078,339,968.30/63,449.28
  6. Step 6: Final answer
    x = 48,516.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.