Home / 67,001.36-92,454.94-40,143.18

Finding the Fourth Proportional to 67,001.36, 92,454.94 and 40,143.18

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Solution

The fourth proportional to 67,001.36, 92,454.94 and 40,143.18 is: 55,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,001.36 : 92,454.94 = 40,143.18 : x
  2. Step 2: Convert to fraction form
    67,001.36/92,454.94 = 40,143.18/x
  3. Step 3: Cross multiply
    67,001.36x = 92,454.94 × 40,143.18
  4. Step 4: Simplify right side
    67,001.36x = 3,711,435,298.31
  5. Step 5: Solve for x
    x = 3,711,435,298.31/67,001.36
  6. Step 6: Final answer
    x = 55,393.43

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1.5x scale

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.