Home / 101,951.11-152,926.65-31,836.43

Finding the Fourth Proportional to 101,951.11, 152,926.65 and 31,836.43

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Solution

The fourth proportional to 101,951.11, 152,926.65 and 31,836.43 is: 47,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,951.11 : 152,926.65 = 31,836.43 : x
  2. Step 2: Convert to fraction form
    101,951.11/152,926.65 = 31,836.43/x
  3. Step 3: Cross multiply
    101,951.11x = 152,926.65 × 31,836.43
  4. Step 4: Simplify right side
    101,951.11x = 4,868,638,587.86
  5. Step 5: Solve for x
    x = 4,868,638,587.86/101,951.11
  6. Step 6: Final answer
    x = 47,754.64

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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.