Home / 75,322.11-112,904.32-25,384.95

Finding the Fourth Proportional to 75,322.11, 112,904.32 and 25,384.95

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Solution

The fourth proportional to 75,322.11, 112,904.32 and 25,384.95 is: 38,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,322.11 : 112,904.32 = 25,384.95 : x
  2. Step 2: Convert to fraction form
    75,322.11/112,904.32 = 25,384.95/x
  3. Step 3: Cross multiply
    75,322.11x = 112,904.32 × 25,384.95
  4. Step 4: Simplify right side
    75,322.11x = 2,866,070,517.98
  5. Step 5: Solve for x
    x = 2,866,070,517.98/75,322.11
  6. Step 6: Final answer
    x = 38,050.85

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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.