Home / 87,664.70-131,497.05-43,298.30

Finding the Fourth Proportional to 87,664.70, 131,497.05 and 43,298.30

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Solution

The fourth proportional to 87,664.70, 131,497.05 and 43,298.30 is: 64,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664.70 : 131,497.05 = 43,298.30 : x
  2. Step 2: Convert to fraction form
    87,664.70/131,497.05 = 43,298.30/x
  3. Step 3: Cross multiply
    87,664.70x = 131,497.05 × 43,298.30
  4. Step 4: Simplify right side
    87,664.70x = 5,693,598,720.02
  5. Step 5: Solve for x
    x = 5,693,598,720.02/87,664.70
  6. Step 6: Final answer
    x = 64,947.45

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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.