Home / 48,229.12-72,344.64-31,694.56

Finding the Fourth Proportional to 48,229.12, 72,344.64 and 31,694.56

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Solution

The fourth proportional to 48,229.12, 72,344.64 and 31,694.56 is: 47,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,229.12 : 72,344.64 = 31,694.56 : x
  2. Step 2: Convert to fraction form
    48,229.12/72,344.64 = 31,694.56/x
  3. Step 3: Cross multiply
    48,229.12x = 72,344.64 × 31,694.56
  4. Step 4: Simplify right side
    48,229.12x = 2,292,931,533.16
  5. Step 5: Solve for x
    x = 2,292,931,533.16/48,229.12
  6. Step 6: Final answer
    x = 47,542.47

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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.