Home / 87,795.92-131,714.84-28,631.64

Finding the Fourth Proportional to 87,795.92, 131,714.84 and 28,631.64

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Solution

The fourth proportional to 87,795.92, 131,714.84 and 28,631.64 is: 42,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,795.92 : 131,714.84 = 28,631.64 : x
  2. Step 2: Convert to fraction form
    87,795.92/131,714.84 = 28,631.64/x
  3. Step 3: Cross multiply
    87,795.92x = 131,714.84 × 28,631.64
  4. Step 4: Simplify right side
    87,795.92x = 3,771,211,881.54
  5. Step 5: Solve for x
    x = 3,771,211,881.54/87,795.92
  6. Step 6: Final answer
    x = 42,954.30

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1.5x scale

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.