Home / 62,720.28-86,556.30-34,425.72

Finding the Fourth Proportional to 62,720.28, 86,556.30 and 34,425.72

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Solution

The fourth proportional to 62,720.28, 86,556.30 and 34,425.72 is: 47,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,720.28 : 86,556.30 = 34,425.72 : x
  2. Step 2: Convert to fraction form
    62,720.28/86,556.30 = 34,425.72/x
  3. Step 3: Cross multiply
    62,720.28x = 86,556.30 × 34,425.72
  4. Step 4: Simplify right side
    62,720.28x = 2,979,762,948.04
  5. Step 5: Solve for x
    x = 2,979,762,948.04/62,720.28
  6. Step 6: Final answer
    x = 47,508.76

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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.