Home / 75,190.32-103,717.08-49,696.92

Finding the Fourth Proportional to 75,190.32, 103,717.08 and 49,696.92

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Solution

The fourth proportional to 75,190.32, 103,717.08 and 49,696.92 is: 68,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,190.32 : 103,717.08 = 49,696.92 : x
  2. Step 2: Convert to fraction form
    75,190.32/103,717.08 = 49,696.92/x
  3. Step 3: Cross multiply
    75,190.32x = 103,717.08 × 49,696.92
  4. Step 4: Simplify right side
    75,190.32x = 5,154,419,427.39
  5. Step 5: Solve for x
    x = 5,154,419,427.39/75,190.32
  6. Step 6: Final answer
    x = 68,551.64

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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.