Home / 113,745.40-170,618.08-61,082.44

Finding the Fourth Proportional to 113,745.40, 170,618.08 and 61,082.44

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Solution

The fourth proportional to 113,745.40, 170,618.08 and 61,082.44 is: 91,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,745.40 : 170,618.08 = 61,082.44 : x
  2. Step 2: Convert to fraction form
    113,745.40/170,618.08 = 61,082.44/x
  3. Step 3: Cross multiply
    113,745.40x = 170,618.08 × 61,082.44
  4. Step 4: Simplify right side
    113,745.40x = 10,421,768,634.52
  5. Step 5: Solve for x
    x = 10,421,768,634.52/113,745.40
  6. Step 6: Final answer
    x = 91,623.65

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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.