Home / 61,976.10-92,854.80-38,575.20

Finding the Fourth Proportional to 61,976.10, 92,854.80 and 38,575.20

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Solution

The fourth proportional to 61,976.10, 92,854.80 and 38,575.20 is: 57,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976.10 : 92,854.80 = 38,575.20 : x
  2. Step 2: Convert to fraction form
    61,976.10/92,854.80 = 38,575.20/x
  3. Step 3: Cross multiply
    61,976.10x = 92,854.80 × 38,575.20
  4. Step 4: Simplify right side
    61,976.10x = 3,581,892,480.96
  5. Step 5: Solve for x
    x = 3,581,892,480.96/61,976.10
  6. Step 6: Final answer
    x = 57,794.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.