Home / 67,079.12-92,570.88-36,865.21

Finding the Fourth Proportional to 67,079.12, 92,570.88 and 36,865.21

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Solution

The fourth proportional to 67,079.12, 92,570.88 and 36,865.21 is: 50,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.12 : 92,570.88 = 36,865.21 : x
  2. Step 2: Convert to fraction form
    67,079.12/92,570.88 = 36,865.21/x
  3. Step 3: Cross multiply
    67,079.12x = 92,570.88 × 36,865.21
  4. Step 4: Simplify right side
    67,079.12x = 3,412,644,468.23
  5. Step 5: Solve for x
    x = 3,412,644,468.23/67,079.12
  6. Step 6: Final answer
    x = 50,874.92

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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.