Home / 86,664.12-130,004.70-36,052.71

Finding the Fourth Proportional to 86,664.12, 130,004.70 and 36,052.71

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Solution

The fourth proportional to 86,664.12, 130,004.70 and 36,052.71 is: 54,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,664.12 : 130,004.70 = 36,052.71 : x
  2. Step 2: Convert to fraction form
    86,664.12/130,004.70 = 36,052.71/x
  3. Step 3: Cross multiply
    86,664.12x = 130,004.70 × 36,052.71
  4. Step 4: Simplify right side
    86,664.12x = 4,687,021,747.74
  5. Step 5: Solve for x
    x = 4,687,021,747.74/86,664.12
  6. Step 6: Final answer
    x = 54,082.61

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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.