Home / 68,900.14-95,058.18-43,408.78

Finding the Fourth Proportional to 68,900.14, 95,058.18 and 43,408.78

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Solution

The fourth proportional to 68,900.14, 95,058.18 and 43,408.78 is: 59,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,900.14 : 95,058.18 = 43,408.78 : x
  2. Step 2: Convert to fraction form
    68,900.14/95,058.18 = 43,408.78/x
  3. Step 3: Cross multiply
    68,900.14x = 95,058.18 × 43,408.78
  4. Step 4: Simplify right side
    68,900.14x = 4,126,359,385.17
  5. Step 5: Solve for x
    x = 4,126,359,385.17/68,900.14
  6. Step 6: Final answer
    x = 59,888.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.