Home / 86,956.95-130,213.97-57,284.82

Finding the Fourth Proportional to 86,956.95, 130,213.97 and 57,284.82

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Solution

The fourth proportional to 86,956.95, 130,213.97 and 57,284.82 is: 85,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,956.95 : 130,213.97 = 57,284.82 : x
  2. Step 2: Convert to fraction form
    86,956.95/130,213.97 = 57,284.82/x
  3. Step 3: Cross multiply
    86,956.95x = 130,213.97 × 57,284.82
  4. Step 4: Simplify right side
    86,956.95x = 7,459,284,471.78
  5. Step 5: Solve for x
    x = 7,459,284,471.78/86,956.95
  6. Step 6: Final answer
    x = 85,781.35

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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.