Home / 87,877.06-131,838.07-25,547.56

Finding the Fourth Proportional to 87,877.06, 131,838.07 and 25,547.56

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Solution

The fourth proportional to 87,877.06, 131,838.07 and 25,547.56 is: 38,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,877.06 : 131,838.07 = 25,547.56 : x
  2. Step 2: Convert to fraction form
    87,877.06/131,838.07 = 25,547.56/x
  3. Step 3: Cross multiply
    87,877.06x = 131,838.07 × 25,547.56
  4. Step 4: Simplify right side
    87,877.06x = 3,368,141,003.61
  5. Step 5: Solve for x
    x = 3,368,141,003.61/87,877.06
  6. Step 6: Final answer
    x = 38,327.88

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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.