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Finding the Fourth Proportional to 73,075.88, 109,616.91 and 23,154.88

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Solution

The fourth proportional to 73,075.88, 109,616.91 and 23,154.88 is: 34,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,075.88 : 109,616.91 = 23,154.88 : x
  2. Step 2: Convert to fraction form
    73,075.88/109,616.91 = 23,154.88/x
  3. Step 3: Cross multiply
    73,075.88x = 109,616.91 × 23,154.88
  4. Step 4: Simplify right side
    73,075.88x = 2,538,165,811.79
  5. Step 5: Solve for x
    x = 2,538,165,811.79/73,075.88
  6. Step 6: Final answer
    x = 34,733.29

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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.