Home / 87,051.10-130,555.87-44,909.50

Finding the Fourth Proportional to 87,051.10, 130,555.87 and 44,909.50

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Solution

The fourth proportional to 87,051.10, 130,555.87 and 44,909.50 is: 67,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,051.10 : 130,555.87 = 44,909.50 : x
  2. Step 2: Convert to fraction form
    87,051.10/130,555.87 = 44,909.50/x
  3. Step 3: Cross multiply
    87,051.10x = 130,555.87 × 44,909.50
  4. Step 4: Simplify right side
    87,051.10x = 5,863,198,843.77
  5. Step 5: Solve for x
    x = 5,863,198,843.77/87,051.10
  6. Step 6: Final answer
    x = 67,353.53

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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.