Home / 89,975.66-124,165.68-49,692.14

Finding the Fourth Proportional to 89,975.66, 124,165.68 and 49,692.14

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Solution

The fourth proportional to 89,975.66, 124,165.68 and 49,692.14 is: 68,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,975.66 : 124,165.68 = 49,692.14 : x
  2. Step 2: Convert to fraction form
    89,975.66/124,165.68 = 49,692.14/x
  3. Step 3: Cross multiply
    89,975.66x = 124,165.68 × 49,692.14
  4. Step 4: Simplify right side
    89,975.66x = 6,170,058,353.76
  5. Step 5: Solve for x
    x = 6,170,058,353.76/89,975.66
  6. Step 6: Final answer
    x = 68,574.75

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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.