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Finding the Fourth Proportional to 85,083.88, 127,625.80 and 22,752.76

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Solution

The fourth proportional to 85,083.88, 127,625.80 and 22,752.76 is: 34,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083.88 : 127,625.80 = 22,752.76 : x
  2. Step 2: Convert to fraction form
    85,083.88/127,625.80 = 22,752.76/x
  3. Step 3: Cross multiply
    85,083.88x = 127,625.80 × 22,752.76
  4. Step 4: Simplify right side
    85,083.88x = 2,903,839,197.21
  5. Step 5: Solve for x
    x = 2,903,839,197.21/85,083.88
  6. Step 6: Final answer
    x = 34,129.13

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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.