Home / 67,073.04-92,561.04-38,778.48

Finding the Fourth Proportional to 67,073.04, 92,561.04 and 38,778.48

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Solution

The fourth proportional to 67,073.04, 92,561.04 and 38,778.48 is: 53,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,073.04 : 92,561.04 = 38,778.48 : x
  2. Step 2: Convert to fraction form
    67,073.04/92,561.04 = 38,778.48/x
  3. Step 3: Cross multiply
    67,073.04x = 92,561.04 × 38,778.48
  4. Step 4: Simplify right side
    67,073.04x = 3,589,376,438.42
  5. Step 5: Solve for x
    x = 3,589,376,438.42/67,073.04
  6. Step 6: Final answer
    x = 53,514.44

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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.