Home / 84,320.46-126,461.25-31,735.26

Finding the Fourth Proportional to 84,320.46, 126,461.25 and 31,735.26

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Solution

The fourth proportional to 84,320.46, 126,461.25 and 31,735.26 is: 47,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,320.46 : 126,461.25 = 31,735.26 : x
  2. Step 2: Convert to fraction form
    84,320.46/126,461.25 = 31,735.26/x
  3. Step 3: Cross multiply
    84,320.46x = 126,461.25 × 31,735.26
  4. Step 4: Simplify right side
    84,320.46x = 4,013,280,648.68
  5. Step 5: Solve for x
    x = 4,013,280,648.68/84,320.46
  6. Step 6: Final answer
    x = 47,595.57

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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.