Home / 84,420.98-126,584.66-34,536.12

Finding the Fourth Proportional to 84,420.98, 126,584.66 and 34,536.12

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Solution

The fourth proportional to 84,420.98, 126,584.66 and 34,536.12 is: 51,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,420.98 : 126,584.66 = 34,536.12 : x
  2. Step 2: Convert to fraction form
    84,420.98/126,584.66 = 34,536.12/x
  3. Step 3: Cross multiply
    84,420.98x = 126,584.66 × 34,536.12
  4. Step 4: Simplify right side
    84,420.98x = 4,371,743,094.26
  5. Step 5: Solve for x
    x = 4,371,743,094.26/84,420.98
  6. Step 6: Final answer
    x = 51,785.03

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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.