Home / 87,973.52-131,955.96-28,837.04

Finding the Fourth Proportional to 87,973.52, 131,955.96 and 28,837.04

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Solution

The fourth proportional to 87,973.52, 131,955.96 and 28,837.04 is: 43,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,973.52 : 131,955.96 = 28,837.04 : x
  2. Step 2: Convert to fraction form
    87,973.52/131,955.96 = 28,837.04/x
  3. Step 3: Cross multiply
    87,973.52x = 131,955.96 × 28,837.04
  4. Step 4: Simplify right side
    87,973.52x = 3,805,219,296.76
  5. Step 5: Solve for x
    x = 3,805,219,296.76/87,973.52
  6. Step 6: Final answer
    x = 43,254.14

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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.