Home / 67,074.39-92,542.47-40,207.10

Finding the Fourth Proportional to 67,074.39, 92,542.47 and 40,207.10

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Solution

The fourth proportional to 67,074.39, 92,542.47 and 40,207.10 is: 55,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,074.39 : 92,542.47 = 40,207.10 : x
  2. Step 2: Convert to fraction form
    67,074.39/92,542.47 = 40,207.10/x
  3. Step 3: Cross multiply
    67,074.39x = 92,542.47 × 40,207.10
  4. Step 4: Simplify right side
    67,074.39x = 3,720,863,983.34
  5. Step 5: Solve for x
    x = 3,720,863,983.34/67,074.39
  6. Step 6: Final answer
    x = 55,473.69

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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.