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Finding the Fourth Proportional to 84,757.74, 127,142.69 and 22,427.50

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Solution

The fourth proportional to 84,757.74, 127,142.69 and 22,427.50 is: 33,642.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,757.74 : 127,142.69 = 22,427.50 : x
  2. Step 2: Convert to fraction form
    84,757.74/127,142.69 = 22,427.50/x
  3. Step 3: Cross multiply
    84,757.74x = 127,142.69 × 22,427.50
  4. Step 4: Simplify right side
    84,757.74x = 2,851,492,679.98
  5. Step 5: Solve for x
    x = 2,851,492,679.98/84,757.74
  6. Step 6: Final answer
    x = 33,642.86

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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.