Home / 66,748.76-92,108.04-38,456.72

Finding the Fourth Proportional to 66,748.76, 92,108.04 and 38,456.72

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Solution

The fourth proportional to 66,748.76, 92,108.04 and 38,456.72 is: 53,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,748.76 : 92,108.04 = 38,456.72 : x
  2. Step 2: Convert to fraction form
    66,748.76/92,108.04 = 38,456.72/x
  3. Step 3: Cross multiply
    66,748.76x = 92,108.04 × 38,456.72
  4. Step 4: Simplify right side
    66,748.76x = 3,542,173,104.03
  5. Step 5: Solve for x
    x = 3,542,173,104.03/66,748.76
  6. Step 6: Final answer
    x = 53,067.25

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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.