Home / 64,276.20-96,414.30-57,731.40

Finding the Fourth Proportional to 64,276.20, 96,414.30 and 57,731.40

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Solution

The fourth proportional to 64,276.20, 96,414.30 and 57,731.40 is: 86,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,276.20 : 96,414.30 = 57,731.40 : x
  2. Step 2: Convert to fraction form
    64,276.20/96,414.30 = 57,731.40/x
  3. Step 3: Cross multiply
    64,276.20x = 96,414.30 × 57,731.40
  4. Step 4: Simplify right side
    64,276.20x = 5,566,132,519.02
  5. Step 5: Solve for x
    x = 5,566,132,519.02/64,276.20
  6. Step 6: Final answer
    x = 86,597.10

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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.