Home / 67,010.47-92,381.03-54,868.57

Finding the Fourth Proportional to 67,010.47, 92,381.03 and 54,868.57

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Solution

The fourth proportional to 67,010.47, 92,381.03 and 54,868.57 is: 75,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,010.47 : 92,381.03 = 54,868.57 : x
  2. Step 2: Convert to fraction form
    67,010.47/92,381.03 = 54,868.57/x
  3. Step 3: Cross multiply
    67,010.47x = 92,381.03 × 54,868.57
  4. Step 4: Simplify right side
    67,010.47x = 5,068,815,011.23
  5. Step 5: Solve for x
    x = 5,068,815,011.23/67,010.47
  6. Step 6: Final answer
    x = 75,642.13

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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.