Home / 87,051.61-130,577.46-57,462.53

Finding the Fourth Proportional to 87,051.61, 130,577.46 and 57,462.53

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Solution

The fourth proportional to 87,051.61, 130,577.46 and 57,462.53 is: 86,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,051.61 : 130,577.46 = 57,462.53 : x
  2. Step 2: Convert to fraction form
    87,051.61/130,577.46 = 57,462.53/x
  3. Step 3: Cross multiply
    87,051.61x = 130,577.46 × 57,462.53
  4. Step 4: Simplify right side
    87,051.61x = 7,503,311,240.31
  5. Step 5: Solve for x
    x = 7,503,311,240.31/87,051.61
  6. Step 6: Final answer
    x = 86,193.82

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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.