Home / 86,386.96-129,617.88-42,052.24

Finding the Fourth Proportional to 86,386.96, 129,617.88 and 42,052.24

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Solution

The fourth proportional to 86,386.96, 129,617.88 and 42,052.24 is: 63,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,386.96 : 129,617.88 = 42,052.24 : x
  2. Step 2: Convert to fraction form
    86,386.96/129,617.88 = 42,052.24/x
  3. Step 3: Cross multiply
    86,386.96x = 129,617.88 × 42,052.24
  4. Step 4: Simplify right side
    86,386.96x = 5,450,722,198.05
  5. Step 5: Solve for x
    x = 5,450,722,198.05/86,386.96
  6. Step 6: Final answer
    x = 63,096.59

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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.