Home / 67,186.24-92,729.28-38,894.56

Finding the Fourth Proportional to 67,186.24, 92,729.28 and 38,894.56

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Solution

The fourth proportional to 67,186.24, 92,729.28 and 38,894.56 is: 53,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,186.24 : 92,729.28 = 38,894.56 : x
  2. Step 2: Convert to fraction form
    67,186.24/92,729.28 = 38,894.56/x
  3. Step 3: Cross multiply
    67,186.24x = 92,729.28 × 38,894.56
  4. Step 4: Simplify right side
    67,186.24x = 3,606,664,544.72
  5. Step 5: Solve for x
    x = 3,606,664,544.72/67,186.24
  6. Step 6: Final answer
    x = 53,681.60

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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.