Home / 67,402.12-101,103.10-29,953.48

Finding the Fourth Proportional to 67,402.12, 101,103.10 and 29,953.48

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Solution

The fourth proportional to 67,402.12, 101,103.10 and 29,953.48 is: 44,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,402.12 : 101,103.10 = 29,953.48 : x
  2. Step 2: Convert to fraction form
    67,402.12/101,103.10 = 29,953.48/x
  3. Step 3: Cross multiply
    67,402.12x = 101,103.10 × 29,953.48
  4. Step 4: Simplify right side
    67,402.12x = 3,028,389,683.79
  5. Step 5: Solve for x
    x = 3,028,389,683.79/67,402.12
  6. Step 6: Final answer
    x = 44,930.18

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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.