Home / 75,297.06-112,922.01-27,259.61

Finding the Fourth Proportional to 75,297.06, 112,922.01 and 27,259.61

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Solution

The fourth proportional to 75,297.06, 112,922.01 and 27,259.61 is: 40,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,297.06 : 112,922.01 = 27,259.61 : x
  2. Step 2: Convert to fraction form
    75,297.06/112,922.01 = 27,259.61/x
  3. Step 3: Cross multiply
    75,297.06x = 112,922.01 × 27,259.61
  4. Step 4: Simplify right side
    75,297.06x = 3,078,209,953.02
  5. Step 5: Solve for x
    x = 3,078,209,953.02/75,297.06
  6. Step 6: Final answer
    x = 40,880.88

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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.