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Finding the Fourth Proportional to 59,375.84, 89,073.44 and 28,200.56

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Solution

The fourth proportional to 59,375.84, 89,073.44 and 28,200.56 is: 42,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,375.84 : 89,073.44 = 28,200.56 : x
  2. Step 2: Convert to fraction form
    59,375.84/89,073.44 = 28,200.56/x
  3. Step 3: Cross multiply
    59,375.84x = 89,073.44 × 28,200.56
  4. Step 4: Simplify right side
    59,375.84x = 2,511,920,889.13
  5. Step 5: Solve for x
    x = 2,511,920,889.13/59,375.84
  6. Step 6: Final answer
    x = 42,305.44

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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.