Home / 84,234.65-126,519.66-52,700.54

Finding the Fourth Proportional to 84,234.65, 126,519.66 and 52,700.54

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Solution

The fourth proportional to 84,234.65, 126,519.66 and 52,700.54 is: 79,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,234.65 : 126,519.66 = 52,700.54 : x
  2. Step 2: Convert to fraction form
    84,234.65/126,519.66 = 52,700.54/x
  3. Step 3: Cross multiply
    84,234.65x = 126,519.66 × 52,700.54
  4. Step 4: Simplify right side
    84,234.65x = 6,667,653,770.02
  5. Step 5: Solve for x
    x = 6,667,653,770.02/84,234.65
  6. Step 6: Final answer
    x = 79,155.72

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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.