Home / 67,246.10-92,712.90-55,101.43

Finding the Fourth Proportional to 67,246.10, 92,712.90 and 55,101.43

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Solution

The fourth proportional to 67,246.10, 92,712.90 and 55,101.43 is: 75,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.10 : 92,712.90 = 55,101.43 : x
  2. Step 2: Convert to fraction form
    67,246.10/92,712.90 = 55,101.43/x
  3. Step 3: Cross multiply
    67,246.10x = 92,712.90 × 55,101.43
  4. Step 4: Simplify right side
    67,246.10x = 5,108,613,369.45
  5. Step 5: Solve for x
    x = 5,108,613,369.45/67,246.10
  6. Step 6: Final answer
    x = 75,968.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.