Home / 87,547.70-131,062.35-57,998.90

Finding the Fourth Proportional to 87,547.70, 131,062.35 and 57,998.90

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Solution

The fourth proportional to 87,547.70, 131,062.35 and 57,998.90 is: 86,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,547.70 : 131,062.35 = 57,998.90 : x
  2. Step 2: Convert to fraction form
    87,547.70/131,062.35 = 57,998.90/x
  3. Step 3: Cross multiply
    87,547.70x = 131,062.35 × 57,998.90
  4. Step 4: Simplify right side
    87,547.70x = 7,601,472,131.42
  5. Step 5: Solve for x
    x = 7,601,472,131.42/87,547.70
  6. Step 6: Final answer
    x = 86,826.63

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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.