Home / 63,517.88-87,455.10-53,937.68

Finding the Fourth Proportional to 63,517.88, 87,455.10 and 53,937.68

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Solution

The fourth proportional to 63,517.88, 87,455.10 and 53,937.68 is: 74,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,517.88 : 87,455.10 = 53,937.68 : x
  2. Step 2: Convert to fraction form
    63,517.88/87,455.10 = 53,937.68/x
  3. Step 3: Cross multiply
    63,517.88x = 87,455.10 × 53,937.68
  4. Step 4: Simplify right side
    63,517.88x = 4,717,125,198.17
  5. Step 5: Solve for x
    x = 4,717,125,198.17/63,517.88
  6. Step 6: Final answer
    x = 74,264.53

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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.