Home / 29,156.64-43,726.12-8,091.57

Finding the Fourth Proportional to 29,156.64, 43,726.12 and 8,091.57

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Solution

The fourth proportional to 29,156.64, 43,726.12 and 8,091.57 is: 12,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.64 : 43,726.12 = 8,091.57 : x
  2. Step 2: Convert to fraction form
    29,156.64/43,726.12 = 8,091.57/x
  3. Step 3: Cross multiply
    29,156.64x = 43,726.12 × 8,091.57
  4. Step 4: Simplify right side
    29,156.64x = 353,812,960.81
  5. Step 5: Solve for x
    x = 353,812,960.81/29,156.64
  6. Step 6: Final answer
    x = 12,134.90

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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.