Home / 75,116.06-103,660.24-41,124.78

Finding the Fourth Proportional to 75,116.06, 103,660.24 and 41,124.78

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Solution

The fourth proportional to 75,116.06, 103,660.24 and 41,124.78 is: 56,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.06 : 103,660.24 = 41,124.78 : x
  2. Step 2: Convert to fraction form
    75,116.06/103,660.24 = 41,124.78/x
  3. Step 3: Cross multiply
    75,116.06x = 103,660.24 × 41,124.78
  4. Step 4: Simplify right side
    75,116.06x = 4,263,004,564.75
  5. Step 5: Solve for x
    x = 4,263,004,564.75/75,116.06
  6. Step 6: Final answer
    x = 56,752.24

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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.