Home / 75,669.39-113,505.01-25,750.51

Finding the Fourth Proportional to 75,669.39, 113,505.01 and 25,750.51

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Solution

The fourth proportional to 75,669.39, 113,505.01 and 25,750.51 is: 38,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,669.39 : 113,505.01 = 25,750.51 : x
  2. Step 2: Convert to fraction form
    75,669.39/113,505.01 = 25,750.51/x
  3. Step 3: Cross multiply
    75,669.39x = 113,505.01 × 25,750.51
  4. Step 4: Simplify right side
    75,669.39x = 2,922,811,546.92
  5. Step 5: Solve for x
    x = 2,922,811,546.92/75,669.39
  6. Step 6: Final answer
    x = 38,626.08

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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.