Home / 52,695.15-72,721.97-31,197.24

Finding the Fourth Proportional to 52,695.15, 72,721.97 and 31,197.24

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Solution

The fourth proportional to 52,695.15, 72,721.97 and 31,197.24 is: 43,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,695.15 : 72,721.97 = 31,197.24 : x
  2. Step 2: Convert to fraction form
    52,695.15/72,721.97 = 31,197.24/x
  3. Step 3: Cross multiply
    52,695.15x = 72,721.97 × 31,197.24
  4. Step 4: Simplify right side
    52,695.15x = 2,268,724,615.14
  5. Step 5: Solve for x
    x = 2,268,724,615.14/52,695.15
  6. Step 6: Final answer
    x = 43,053.76

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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.