Home / 87,097.88-130,435.72-44,290.70

Finding the Fourth Proportional to 87,097.88, 130,435.72 and 44,290.70

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Solution

The fourth proportional to 87,097.88, 130,435.72 and 44,290.70 is: 66,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,097.88 : 130,435.72 = 44,290.70 : x
  2. Step 2: Convert to fraction form
    87,097.88/130,435.72 = 44,290.70/x
  3. Step 3: Cross multiply
    87,097.88x = 130,435.72 × 44,290.70
  4. Step 4: Simplify right side
    87,097.88x = 5,777,089,070.03
  5. Step 5: Solve for x
    x = 5,777,089,070.03/87,097.88
  6. Step 6: Final answer
    x = 66,328.70

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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.