Home / 87,023.97-130,567.05-53,705.25

Finding the Fourth Proportional to 87,023.97, 130,567.05 and 53,705.25

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Solution

The fourth proportional to 87,023.97, 130,567.05 and 53,705.25 is: 80,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,023.97 : 130,567.05 = 53,705.25 : x
  2. Step 2: Convert to fraction form
    87,023.97/130,567.05 = 53,705.25/x
  3. Step 3: Cross multiply
    87,023.97x = 130,567.05 × 53,705.25
  4. Step 4: Simplify right side
    87,023.97x = 7,012,136,062.01
  5. Step 5: Solve for x
    x = 7,012,136,062.01/87,023.97
  6. Step 6: Final answer
    x = 80,577.06

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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.