Home / 86,826.42-130,242.33-29,899.71

Finding the Fourth Proportional to 86,826.42, 130,242.33 and 29,899.71

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Solution

The fourth proportional to 86,826.42, 130,242.33 and 29,899.71 is: 44,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,826.42 : 130,242.33 = 29,899.71 : x
  2. Step 2: Convert to fraction form
    86,826.42/130,242.33 = 29,899.71/x
  3. Step 3: Cross multiply
    86,826.42x = 130,242.33 × 29,899.71
  4. Step 4: Simplify right side
    86,826.42x = 3,894,207,896.72
  5. Step 5: Solve for x
    x = 3,894,207,896.72/86,826.42
  6. Step 6: Final answer
    x = 44,850.49

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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.