Home / 84,247.18-126,370.53-34,315.54

Finding the Fourth Proportional to 84,247.18, 126,370.53 and 34,315.54

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Solution

The fourth proportional to 84,247.18, 126,370.53 and 34,315.54 is: 51,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,247.18 : 126,370.53 = 34,315.54 : x
  2. Step 2: Convert to fraction form
    84,247.18/126,370.53 = 34,315.54/x
  3. Step 3: Cross multiply
    84,247.18x = 126,370.53 × 34,315.54
  4. Step 4: Simplify right side
    84,247.18x = 4,336,472,661.11
  5. Step 5: Solve for x
    x = 4,336,472,661.11/84,247.18
  6. Step 6: Final answer
    x = 51,473.21

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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.