Home / 82,859.40-124,221.06-32,918.04

Finding the Fourth Proportional to 82,859.40, 124,221.06 and 32,918.04

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Solution

The fourth proportional to 82,859.40, 124,221.06 and 32,918.04 is: 49,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,859.40 : 124,221.06 = 32,918.04 : x
  2. Step 2: Convert to fraction form
    82,859.40/124,221.06 = 32,918.04/x
  3. Step 3: Cross multiply
    82,859.40x = 124,221.06 × 32,918.04
  4. Step 4: Simplify right side
    82,859.40x = 4,089,113,821.92
  5. Step 5: Solve for x
    x = 4,089,113,821.92/82,859.40
  6. Step 6: Final answer
    x = 49,350.03

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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.