Home / 89,330.19-123,333.35-55,374.80

Finding the Fourth Proportional to 89,330.19, 123,333.35 and 55,374.80

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Solution

The fourth proportional to 89,330.19, 123,333.35 and 55,374.80 is: 76,452.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,330.19 : 123,333.35 = 55,374.80 : x
  2. Step 2: Convert to fraction form
    89,330.19/123,333.35 = 55,374.80/x
  3. Step 3: Cross multiply
    89,330.19x = 123,333.35 × 55,374.80
  4. Step 4: Simplify right side
    89,330.19x = 6,829,558,696.04
  5. Step 5: Solve for x
    x = 6,829,558,696.04/89,330.19
  6. Step 6: Final answer
    x = 76,452.97

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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.