Home / 87,056.60-130,581.25-27,890.96

Finding the Fourth Proportional to 87,056.60, 130,581.25 and 27,890.96

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Solution

The fourth proportional to 87,056.60, 130,581.25 and 27,890.96 is: 41,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,056.60 : 130,581.25 = 27,890.96 : x
  2. Step 2: Convert to fraction form
    87,056.60/130,581.25 = 27,890.96/x
  3. Step 3: Cross multiply
    87,056.60x = 130,581.25 × 27,890.96
  4. Step 4: Simplify right side
    87,056.60x = 3,642,036,024.32
  5. Step 5: Solve for x
    x = 3,642,036,024.32/87,056.60
  6. Step 6: Final answer
    x = 41,835.27

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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.