Home / 75,126.84-112,747.39-27,786.72

Finding the Fourth Proportional to 75,126.84, 112,747.39 and 27,786.72

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Solution

The fourth proportional to 75,126.84, 112,747.39 and 27,786.72 is: 41,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,126.84 : 112,747.39 = 27,786.72 : x
  2. Step 2: Convert to fraction form
    75,126.84/112,747.39 = 27,786.72/x
  3. Step 3: Cross multiply
    75,126.84x = 112,747.39 × 27,786.72
  4. Step 4: Simplify right side
    75,126.84x = 3,132,880,156.66
  5. Step 5: Solve for x
    x = 3,132,880,156.66/75,126.84
  6. Step 6: Final answer
    x = 41,701.21

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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.