Home / 43,953.76-65,979.85-29,191.51

Finding the Fourth Proportional to 43,953.76, 65,979.85 and 29,191.51

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Solution

The fourth proportional to 43,953.76, 65,979.85 and 29,191.51 is: 43,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,953.76 : 65,979.85 = 29,191.51 : x
  2. Step 2: Convert to fraction form
    43,953.76/65,979.85 = 29,191.51/x
  3. Step 3: Cross multiply
    43,953.76x = 65,979.85 × 29,191.51
  4. Step 4: Simplify right side
    43,953.76x = 1,926,051,824.02
  5. Step 5: Solve for x
    x = 1,926,051,824.02/43,953.76
  6. Step 6: Final answer
    x = 43,819.95

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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.