Home / 86,971.38-130,426.29-41,373.66

Finding the Fourth Proportional to 86,971.38, 130,426.29 and 41,373.66

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Solution

The fourth proportional to 86,971.38, 130,426.29 and 41,373.66 is: 62,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,971.38 : 130,426.29 = 41,373.66 : x
  2. Step 2: Convert to fraction form
    86,971.38/130,426.29 = 41,373.66/x
  3. Step 3: Cross multiply
    86,971.38x = 130,426.29 × 41,373.66
  4. Step 4: Simplify right side
    86,971.38x = 5,396,212,977.52
  5. Step 5: Solve for x
    x = 5,396,212,977.52/86,971.38
  6. Step 6: Final answer
    x = 62,045.85

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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.