Home / 89,626.74-123,682.32-51,385.02

Finding the Fourth Proportional to 89,626.74, 123,682.32 and 51,385.02

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Solution

The fourth proportional to 89,626.74, 123,682.32 and 51,385.02 is: 70,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,626.74 : 123,682.32 = 51,385.02 : x
  2. Step 2: Convert to fraction form
    89,626.74/123,682.32 = 51,385.02/x
  3. Step 3: Cross multiply
    89,626.74x = 123,682.32 × 51,385.02
  4. Step 4: Simplify right side
    89,626.74x = 6,355,418,486.85
  5. Step 5: Solve for x
    x = 6,355,418,486.85/89,626.74
  6. Step 6: Final answer
    x = 70,909.85

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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.