Home / 84,014.90-126,045.70-36,634.12

Finding the Fourth Proportional to 84,014.90, 126,045.70 and 36,634.12

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Solution

The fourth proportional to 84,014.90, 126,045.70 and 36,634.12 is: 54,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,014.90 : 126,045.70 = 36,634.12 : x
  2. Step 2: Convert to fraction form
    84,014.90/126,045.70 = 36,634.12/x
  3. Step 3: Cross multiply
    84,014.90x = 126,045.70 × 36,634.12
  4. Step 4: Simplify right side
    84,014.90x = 4,617,573,299.28
  5. Step 5: Solve for x
    x = 4,617,573,299.28/84,014.90
  6. Step 6: Final answer
    x = 54,961.36

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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.