Home / 67,320.57-92,902.82-38,632.57

Finding the Fourth Proportional to 67,320.57, 92,902.82 and 38,632.57

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Solution

The fourth proportional to 67,320.57, 92,902.82 and 38,632.57 is: 53,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,320.57 : 92,902.82 = 38,632.57 : x
  2. Step 2: Convert to fraction form
    67,320.57/92,902.82 = 38,632.57/x
  3. Step 3: Cross multiply
    67,320.57x = 92,902.82 × 38,632.57
  4. Step 4: Simplify right side
    67,320.57x = 3,589,074,696.85
  5. Step 5: Solve for x
    x = 3,589,074,696.85/67,320.57
  6. Step 6: Final answer
    x = 53,313.20

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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.