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Finding the Fourth Proportional to 75,076.52, 103,595.36 and 44,855.46

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Solution

The fourth proportional to 75,076.52, 103,595.36 and 44,855.46 is: 61,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076.52 : 103,595.36 = 44,855.46 : x
  2. Step 2: Convert to fraction form
    75,076.52/103,595.36 = 44,855.46/x
  3. Step 3: Cross multiply
    75,076.52x = 103,595.36 × 44,855.46
  4. Step 4: Simplify right side
    75,076.52x = 4,646,817,302.39
  5. Step 5: Solve for x
    x = 4,646,817,302.39/75,076.52
  6. Step 6: Final answer
    x = 61,894.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.