Home / 87,555.11-131,144.03-59,320.25

Finding the Fourth Proportional to 87,555.11, 131,144.03 and 59,320.25

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Solution

The fourth proportional to 87,555.11, 131,144.03 and 59,320.25 is: 88,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,555.11 : 131,144.03 = 59,320.25 : x
  2. Step 2: Convert to fraction form
    87,555.11/131,144.03 = 59,320.25/x
  3. Step 3: Cross multiply
    87,555.11x = 131,144.03 × 59,320.25
  4. Step 4: Simplify right side
    87,555.11x = 7,779,495,693.29
  5. Step 5: Solve for x
    x = 7,779,495,693.29/87,555.11
  6. Step 6: Final answer
    x = 88,852.57

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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.