Home / 52,882.44-72,972.36-31,661.16

Finding the Fourth Proportional to 52,882.44, 72,972.36 and 31,661.16

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Solution

The fourth proportional to 52,882.44, 72,972.36 and 31,661.16 is: 43,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,882.44 : 72,972.36 = 31,661.16 : x
  2. Step 2: Convert to fraction form
    52,882.44/72,972.36 = 31,661.16/x
  3. Step 3: Cross multiply
    52,882.44x = 72,972.36 × 31,661.16
  4. Step 4: Simplify right side
    52,882.44x = 2,310,389,565.54
  5. Step 5: Solve for x
    x = 2,310,389,565.54/52,882.44
  6. Step 6: Final answer
    x = 43,689.16

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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.