Home / 84,307.03-126,522.90-39,933.88

Finding the Fourth Proportional to 84,307.03, 126,522.90 and 39,933.88

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Solution

The fourth proportional to 84,307.03, 126,522.90 and 39,933.88 is: 59,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,307.03 : 126,522.90 = 39,933.88 : x
  2. Step 2: Convert to fraction form
    84,307.03/126,522.90 = 39,933.88/x
  3. Step 3: Cross multiply
    84,307.03x = 126,522.90 × 39,933.88
  4. Step 4: Simplify right side
    84,307.03x = 5,052,550,452.98
  5. Step 5: Solve for x
    x = 5,052,550,452.98/84,307.03
  6. Step 6: Final answer
    x = 59,930.36

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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.