Home / 84,411.18-126,616.76-34,491.23

Finding the Fourth Proportional to 84,411.18, 126,616.76 and 34,491.23

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Solution

The fourth proportional to 84,411.18, 126,616.76 and 34,491.23 is: 51,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,411.18 : 126,616.76 = 34,491.23 : x
  2. Step 2: Convert to fraction form
    84,411.18/126,616.76 = 34,491.23/x
  3. Step 3: Cross multiply
    84,411.18x = 126,616.76 × 34,491.23
  4. Step 4: Simplify right side
    84,411.18x = 4,367,166,985.47
  5. Step 5: Solve for x
    x = 4,367,166,985.47/84,411.18
  6. Step 6: Final answer
    x = 51,736.83

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1.5x scale

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.