Home / 84,281.85-126,348.54-34,403.87

Finding the Fourth Proportional to 84,281.85, 126,348.54 and 34,403.87

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Solution

The fourth proportional to 84,281.85, 126,348.54 and 34,403.87 is: 51,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,281.85 : 126,348.54 = 34,403.87 : x
  2. Step 2: Convert to fraction form
    84,281.85/126,348.54 = 34,403.87/x
  3. Step 3: Cross multiply
    84,281.85x = 126,348.54 × 34,403.87
  4. Step 4: Simplify right side
    84,281.85x = 4,346,878,113.11
  5. Step 5: Solve for x
    x = 4,346,878,113.11/84,281.85
  6. Step 6: Final answer
    x = 51,575.49

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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.