Home / 89,476.60-123,477.96-51,236.74

Finding the Fourth Proportional to 89,476.60, 123,477.96 and 51,236.74

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Solution

The fourth proportional to 89,476.60, 123,477.96 and 51,236.74 is: 70,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,476.60 : 123,477.96 = 51,236.74 : x
  2. Step 2: Convert to fraction form
    89,476.60/123,477.96 = 51,236.74/x
  3. Step 3: Cross multiply
    89,476.60x = 123,477.96 × 51,236.74
  4. Step 4: Simplify right side
    89,476.60x = 6,326,608,132.25
  5. Step 5: Solve for x
    x = 6,326,608,132.25/89,476.60
  6. Step 6: Final answer
    x = 70,706.85

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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.