Home / 67,427.16-101,109.45-39,355.29

Finding the Fourth Proportional to 67,427.16, 101,109.45 and 39,355.29

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Solution

The fourth proportional to 67,427.16, 101,109.45 and 39,355.29 is: 59,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,427.16 : 101,109.45 = 39,355.29 : x
  2. Step 2: Convert to fraction form
    67,427.16/101,109.45 = 39,355.29/x
  3. Step 3: Cross multiply
    67,427.16x = 101,109.45 × 39,355.29
  4. Step 4: Simplify right side
    67,427.16x = 3,979,192,253.23
  5. Step 5: Solve for x
    x = 3,979,192,253.23/67,427.16
  6. Step 6: Final answer
    x = 59,014.68

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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.