Home / 106,710.12-160,082.57-49,840.91

Finding the Fourth Proportional to 106,710.12, 160,082.57 and 49,840.91

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Solution

The fourth proportional to 106,710.12, 160,082.57 and 49,840.91 is: 74,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,710.12 : 160,082.57 = 49,840.91 : x
  2. Step 2: Convert to fraction form
    106,710.12/160,082.57 = 49,840.91/x
  3. Step 3: Cross multiply
    106,710.12x = 160,082.57 × 49,840.91
  4. Step 4: Simplify right side
    106,710.12x = 7,978,659,914.32
  5. Step 5: Solve for x
    x = 7,978,659,914.32/106,710.12
  6. Step 6: Final answer
    x = 74,769.48

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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.