Home / 104,964.12-157,449.96-26,078.76

Finding the Fourth Proportional to 104,964.12, 157,449.96 and 26,078.76

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Solution

The fourth proportional to 104,964.12, 157,449.96 and 26,078.76 is: 39,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,964.12 : 157,449.96 = 26,078.76 : x
  2. Step 2: Convert to fraction form
    104,964.12/157,449.96 = 26,078.76/x
  3. Step 3: Cross multiply
    104,964.12x = 157,449.96 × 26,078.76
  4. Step 4: Simplify right side
    104,964.12x = 4,106,099,718.85
  5. Step 5: Solve for x
    x = 4,106,099,718.85/104,964.12
  6. Step 6: Final answer
    x = 39,119.08

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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.