Home / 87,590.16-131,363.37-28,442.75

Finding the Fourth Proportional to 87,590.16, 131,363.37 and 28,442.75

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Solution

The fourth proportional to 87,590.16, 131,363.37 and 28,442.75 is: 42,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,590.16 : 131,363.37 = 28,442.75 : x
  2. Step 2: Convert to fraction form
    87,590.16/131,363.37 = 28,442.75/x
  3. Step 3: Cross multiply
    87,590.16x = 131,363.37 × 28,442.75
  4. Step 4: Simplify right side
    87,590.16x = 3,736,334,835.25
  5. Step 5: Solve for x
    x = 3,736,334,835.25/87,590.16
  6. Step 6: Final answer
    x = 42,657.02

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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.