Home / 47,990.52-71,987.94-14,708.16

Finding the Fourth Proportional to 47,990.52, 71,987.94 and 14,708.16

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Solution

The fourth proportional to 47,990.52, 71,987.94 and 14,708.16 is: 22,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.52 : 71,987.94 = 14,708.16 : x
  2. Step 2: Convert to fraction form
    47,990.52/71,987.94 = 14,708.16/x
  3. Step 3: Cross multiply
    47,990.52x = 71,987.94 × 14,708.16
  4. Step 4: Simplify right side
    47,990.52x = 1,058,810,139.59
  5. Step 5: Solve for x
    x = 1,058,810,139.59/47,990.52
  6. Step 6: Final answer
    x = 22,062.90

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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.