Home / 87,437.80-131,143.90-43,052.52

Finding the Fourth Proportional to 87,437.80, 131,143.90 and 43,052.52

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Solution

The fourth proportional to 87,437.80, 131,143.90 and 43,052.52 is: 64,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,437.80 : 131,143.90 = 43,052.52 : x
  2. Step 2: Convert to fraction form
    87,437.80/131,143.90 = 43,052.52/x
  3. Step 3: Cross multiply
    87,437.80x = 131,143.90 × 43,052.52
  4. Step 4: Simplify right side
    87,437.80x = 5,646,075,377.63
  5. Step 5: Solve for x
    x = 5,646,075,377.63/87,437.80
  6. Step 6: Final answer
    x = 64,572.48

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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.