Home / 66,849.10-92,254.30-38,173.43

Finding the Fourth Proportional to 66,849.10, 92,254.30 and 38,173.43

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Solution

The fourth proportional to 66,849.10, 92,254.30 and 38,173.43 is: 52,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,849.10 : 92,254.30 = 38,173.43 : x
  2. Step 2: Convert to fraction form
    66,849.10/92,254.30 = 38,173.43/x
  3. Step 3: Cross multiply
    66,849.10x = 92,254.30 × 38,173.43
  4. Step 4: Simplify right side
    66,849.10x = 3,521,663,198.45
  5. Step 5: Solve for x
    x = 3,521,663,198.45/66,849.10
  6. Step 6: Final answer
    x = 52,680.79

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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.