Home / 74,981.22-112,503.09-32,891.51

Finding the Fourth Proportional to 74,981.22, 112,503.09 and 32,891.51

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Solution

The fourth proportional to 74,981.22, 112,503.09 and 32,891.51 is: 49,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,981.22 : 112,503.09 = 32,891.51 : x
  2. Step 2: Convert to fraction form
    74,981.22/112,503.09 = 32,891.51/x
  3. Step 3: Cross multiply
    74,981.22x = 112,503.09 × 32,891.51
  4. Step 4: Simplify right side
    74,981.22x = 3,700,395,947.25
  5. Step 5: Solve for x
    x = 3,700,395,947.25/74,981.22
  6. Step 6: Final answer
    x = 49,350.97

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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.