Home / 86,430.82-129,552.48-44,253.04

Finding the Fourth Proportional to 86,430.82, 129,552.48 and 44,253.04

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Solution

The fourth proportional to 86,430.82, 129,552.48 and 44,253.04 is: 66,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,430.82 : 129,552.48 = 44,253.04 : x
  2. Step 2: Convert to fraction form
    86,430.82/129,552.48 = 44,253.04/x
  3. Step 3: Cross multiply
    86,430.82x = 129,552.48 × 44,253.04
  4. Step 4: Simplify right side
    86,430.82x = 5,733,091,079.54
  5. Step 5: Solve for x
    x = 5,733,091,079.54/86,430.82
  6. Step 6: Final answer
    x = 66,331.56

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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.