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Finding the Fourth Proportional to 75,957.84, 113,715.36 and 44,271

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Solution

The fourth proportional to 75,957.84, 113,715.36 and 44,271 is: 66,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,957.84 : 113,715.36 = 44,271 : x
  2. Step 2: Convert to fraction form
    75,957.84/113,715.36 = 44,271/x
  3. Step 3: Cross multiply
    75,957.84x = 113,715.36 × 44,271
  4. Step 4: Simplify right side
    75,957.84x = 5,034,292,702.56
  5. Step 5: Solve for x
    x = 5,034,292,702.56/75,957.84
  6. Step 6: Final answer
    x = 66,277.46

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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.