Home / 75,217.68-112,807.98-30,857.04

Finding the Fourth Proportional to 75,217.68, 112,807.98 and 30,857.04

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Solution

The fourth proportional to 75,217.68, 112,807.98 and 30,857.04 is: 46,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,217.68 : 112,807.98 = 30,857.04 : x
  2. Step 2: Convert to fraction form
    75,217.68/112,807.98 = 30,857.04/x
  3. Step 3: Cross multiply
    75,217.68x = 112,807.98 × 30,857.04
  4. Step 4: Simplify right side
    75,217.68x = 3,480,920,351.18
  5. Step 5: Solve for x
    x = 3,480,920,351.18/75,217.68
  6. Step 6: Final answer
    x = 46,277.95

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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.