Home / 66,882.11-92,298.08-38,205.56

Finding the Fourth Proportional to 66,882.11, 92,298.08 and 38,205.56

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Solution

The fourth proportional to 66,882.11, 92,298.08 and 38,205.56 is: 52,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,882.11 : 92,298.08 = 38,205.56 : x
  2. Step 2: Convert to fraction form
    66,882.11/92,298.08 = 38,205.56/x
  3. Step 3: Cross multiply
    66,882.11x = 92,298.08 × 38,205.56
  4. Step 4: Simplify right side
    66,882.11x = 3,526,300,159.58
  5. Step 5: Solve for x
    x = 3,526,300,159.58/66,882.11
  6. Step 6: Final answer
    x = 52,724.12

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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.