Home / 69,780.76-96,297.60-37,949.92

Finding the Fourth Proportional to 69,780.76, 96,297.60 and 37,949.92

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Solution

The fourth proportional to 69,780.76, 96,297.60 and 37,949.92 is: 52,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,780.76 : 96,297.60 = 37,949.92 : x
  2. Step 2: Convert to fraction form
    69,780.76/96,297.60 = 37,949.92/x
  3. Step 3: Cross multiply
    69,780.76x = 96,297.60 × 37,949.92
  4. Step 4: Simplify right side
    69,780.76x = 3,654,486,216.19
  5. Step 5: Solve for x
    x = 3,654,486,216.19/69,780.76
  6. Step 6: Final answer
    x = 52,370.97

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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.