Home / 43,977.78-65,981.28-29,244.72

Finding the Fourth Proportional to 43,977.78, 65,981.28 and 29,244.72

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Solution

The fourth proportional to 43,977.78, 65,981.28 and 29,244.72 is: 43,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,977.78 : 65,981.28 = 29,244.72 : x
  2. Step 2: Convert to fraction form
    43,977.78/65,981.28 = 29,244.72/x
  3. Step 3: Cross multiply
    43,977.78x = 65,981.28 × 29,244.72
  4. Step 4: Simplify right side
    43,977.78x = 1,929,604,058.84
  5. Step 5: Solve for x
    x = 1,929,604,058.84/43,977.78
  6. Step 6: Final answer
    x = 43,876.80

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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.