Home / 89,754.10-134,620.66-23,189.01

Finding the Fourth Proportional to 89,754.10, 134,620.66 and 23,189.01

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Solution

The fourth proportional to 89,754.10, 134,620.66 and 23,189.01 is: 34,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,754.10 : 134,620.66 = 23,189.01 : x
  2. Step 2: Convert to fraction form
    89,754.10/134,620.66 = 23,189.01/x
  3. Step 3: Cross multiply
    89,754.10x = 134,620.66 × 23,189.01
  4. Step 4: Simplify right side
    89,754.10x = 3,121,719,830.95
  5. Step 5: Solve for x
    x = 3,121,719,830.95/89,754.10
  6. Step 6: Final answer
    x = 34,780.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.