Home / 84,389.04-126,610.29-52,819.29

Finding the Fourth Proportional to 84,389.04, 126,610.29 and 52,819.29

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Solution

The fourth proportional to 84,389.04, 126,610.29 and 52,819.29 is: 79,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,389.04 : 126,610.29 = 52,819.29 : x
  2. Step 2: Convert to fraction form
    84,389.04/126,610.29 = 52,819.29/x
  3. Step 3: Cross multiply
    84,389.04x = 126,610.29 × 52,819.29
  4. Step 4: Simplify right side
    84,389.04x = 6,687,465,624.49
  5. Step 5: Solve for x
    x = 6,687,465,624.49/84,389.04
  6. Step 6: Final answer
    x = 79,245.67

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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.