Home / 89,057.82-122,773.14-55,047.12

Finding the Fourth Proportional to 89,057.82, 122,773.14 and 55,047.12

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Solution

The fourth proportional to 89,057.82, 122,773.14 and 55,047.12 is: 75,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,057.82 : 122,773.14 = 55,047.12 : x
  2. Step 2: Convert to fraction form
    89,057.82/122,773.14 = 55,047.12/x
  3. Step 3: Cross multiply
    89,057.82x = 122,773.14 × 55,047.12
  4. Step 4: Simplify right side
    89,057.82x = 6,758,307,770.36
  5. Step 5: Solve for x
    x = 6,758,307,770.36/89,057.82
  6. Step 6: Final answer
    x = 75,886.74

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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.