Home / 67,427.04-101,109.26-39,355.20

Finding the Fourth Proportional to 67,427.04, 101,109.26 and 39,355.20

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Solution

The fourth proportional to 67,427.04, 101,109.26 and 39,355.20 is: 59,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,427.04 : 101,109.26 = 39,355.20 : x
  2. Step 2: Convert to fraction form
    67,427.04/101,109.26 = 39,355.20/x
  3. Step 3: Cross multiply
    67,427.04x = 101,109.26 × 39,355.20
  4. Step 4: Simplify right side
    67,427.04x = 3,979,175,149.15
  5. Step 5: Solve for x
    x = 3,979,175,149.15/67,427.04
  6. Step 6: Final answer
    x = 59,014.53

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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.