Home / 89,317.12-123,232.38-57,504.44

Finding the Fourth Proportional to 89,317.12, 123,232.38 and 57,504.44

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Solution

The fourth proportional to 89,317.12, 123,232.38 and 57,504.44 is: 79,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,317.12 : 123,232.38 = 57,504.44 : x
  2. Step 2: Convert to fraction form
    89,317.12/123,232.38 = 57,504.44/x
  3. Step 3: Cross multiply
    89,317.12x = 123,232.38 × 57,504.44
  4. Step 4: Simplify right side
    89,317.12x = 7,086,409,001.77
  5. Step 5: Solve for x
    x = 7,086,409,001.77/89,317.12
  6. Step 6: Final answer
    x = 79,339.87

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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.