Home / 75,309.84-112,965.57-22,719.78

Finding the Fourth Proportional to 75,309.84, 112,965.57 and 22,719.78

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Solution

The fourth proportional to 75,309.84, 112,965.57 and 22,719.78 is: 34,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,309.84 : 112,965.57 = 22,719.78 : x
  2. Step 2: Convert to fraction form
    75,309.84/112,965.57 = 22,719.78/x
  3. Step 3: Cross multiply
    75,309.84x = 112,965.57 × 22,719.78
  4. Step 4: Simplify right side
    75,309.84x = 2,566,552,897.97
  5. Step 5: Solve for x
    x = 2,566,552,897.97/75,309.84
  6. Step 6: Final answer
    x = 34,079.91

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1.5x scale

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.