Home / 59,110.08-81,540.18-39,964.65

Finding the Fourth Proportional to 59,110.08, 81,540.18 and 39,964.65

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Solution

The fourth proportional to 59,110.08, 81,540.18 and 39,964.65 is: 55,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,110.08 : 81,540.18 = 39,964.65 : x
  2. Step 2: Convert to fraction form
    59,110.08/81,540.18 = 39,964.65/x
  3. Step 3: Cross multiply
    59,110.08x = 81,540.18 × 39,964.65
  4. Step 4: Simplify right side
    59,110.08x = 3,258,724,754.64
  5. Step 5: Solve for x
    x = 3,258,724,754.64/59,110.08
  6. Step 6: Final answer
    x = 55,129.76

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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.