Home / 86,502.16-129,640.20-44,346.56

Finding the Fourth Proportional to 86,502.16, 129,640.20 and 44,346.56

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Solution

The fourth proportional to 86,502.16, 129,640.20 and 44,346.56 is: 66,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,502.16 : 129,640.20 = 44,346.56 : x
  2. Step 2: Convert to fraction form
    86,502.16/129,640.20 = 44,346.56/x
  3. Step 3: Cross multiply
    86,502.16x = 129,640.20 × 44,346.56
  4. Step 4: Simplify right side
    86,502.16x = 5,749,096,907.71
  5. Step 5: Solve for x
    x = 5,749,096,907.71/86,502.16
  6. Step 6: Final answer
    x = 66,461.89

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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.