Home / 87,546.70-130,487.25-82,563.98

Finding the Fourth Proportional to 87,546.70, 130,487.25 and 82,563.98

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Solution

The fourth proportional to 87,546.70, 130,487.25 and 82,563.98 is: 123,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,546.70 : 130,487.25 = 82,563.98 : x
  2. Step 2: Convert to fraction form
    87,546.70/130,487.25 = 82,563.98/x
  3. Step 3: Cross multiply
    87,546.70x = 130,487.25 × 82,563.98
  4. Step 4: Simplify right side
    87,546.70x = 10,773,546,699.26
  5. Step 5: Solve for x
    x = 10,773,546,699.26/87,546.70
  6. Step 6: Final answer
    x = 123,060.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.