Home / 89,352.28-123,297.42-51,625.72

Finding the Fourth Proportional to 89,352.28, 123,297.42 and 51,625.72

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Solution

The fourth proportional to 89,352.28, 123,297.42 and 51,625.72 is: 71,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,352.28 : 123,297.42 = 51,625.72 : x
  2. Step 2: Convert to fraction form
    89,352.28/123,297.42 = 51,625.72/x
  3. Step 3: Cross multiply
    89,352.28x = 123,297.42 × 51,625.72
  4. Step 4: Simplify right side
    89,352.28x = 6,365,318,081.64
  5. Step 5: Solve for x
    x = 6,365,318,081.64/89,352.28
  6. Step 6: Final answer
    x = 71,238.45

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1.5x scale

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.