Home / 86,505.66-129,645.45-44,350.02

Finding the Fourth Proportional to 86,505.66, 129,645.45 and 44,350.02

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Solution

The fourth proportional to 86,505.66, 129,645.45 and 44,350.02 is: 66,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,505.66 : 129,645.45 = 44,350.02 : x
  2. Step 2: Convert to fraction form
    86,505.66/129,645.45 = 44,350.02/x
  3. Step 3: Cross multiply
    86,505.66x = 129,645.45 × 44,350.02
  4. Step 4: Simplify right side
    86,505.66x = 5,749,778,300.41
  5. Step 5: Solve for x
    x = 5,749,778,300.41/86,505.66
  6. Step 6: Final answer
    x = 66,467.08

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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.