Home / 75,719.40-113,574.99-23,124.78

Finding the Fourth Proportional to 75,719.40, 113,574.99 and 23,124.78

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Solution

The fourth proportional to 75,719.40, 113,574.99 and 23,124.78 is: 34,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,719.40 : 113,574.99 = 23,124.78 : x
  2. Step 2: Convert to fraction form
    75,719.40/113,574.99 = 23,124.78/x
  3. Step 3: Cross multiply
    75,719.40x = 113,574.99 × 23,124.78
  4. Step 4: Simplify right side
    75,719.40x = 2,626,396,657.25
  5. Step 5: Solve for x
    x = 2,626,396,657.25/75,719.40
  6. Step 6: Final answer
    x = 34,685.91

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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.