Home / 67,967.43-101,865.01-38,401.91

Finding the Fourth Proportional to 67,967.43, 101,865.01 and 38,401.91

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Solution

The fourth proportional to 67,967.43, 101,865.01 and 38,401.91 is: 57,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,967.43 : 101,865.01 = 38,401.91 : x
  2. Step 2: Convert to fraction form
    67,967.43/101,865.01 = 38,401.91/x
  3. Step 3: Cross multiply
    67,967.43x = 101,865.01 × 38,401.91
  4. Step 4: Simplify right side
    67,967.43x = 3,911,810,946.17
  5. Step 5: Solve for x
    x = 3,911,810,946.17/67,967.43
  6. Step 6: Final answer
    x = 57,554.20

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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.