Home / 75,134.64-103,687.32-41,601.84

Finding the Fourth Proportional to 75,134.64, 103,687.32 and 41,601.84

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Solution

The fourth proportional to 75,134.64, 103,687.32 and 41,601.84 is: 57,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.64 : 103,687.32 = 41,601.84 : x
  2. Step 2: Convert to fraction form
    75,134.64/103,687.32 = 41,601.84/x
  3. Step 3: Cross multiply
    75,134.64x = 103,687.32 × 41,601.84
  4. Step 4: Simplify right side
    75,134.64x = 4,313,583,296.67
  5. Step 5: Solve for x
    x = 4,313,583,296.67/75,134.64
  6. Step 6: Final answer
    x = 57,411.38

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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.