Home / 73,924.23-102,015.48-39,932.72

Finding the Fourth Proportional to 73,924.23, 102,015.48 and 39,932.72

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Solution

The fourth proportional to 73,924.23, 102,015.48 and 39,932.72 is: 55,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,924.23 : 102,015.48 = 39,932.72 : x
  2. Step 2: Convert to fraction form
    73,924.23/102,015.48 = 39,932.72/x
  3. Step 3: Cross multiply
    73,924.23x = 102,015.48 × 39,932.72
  4. Step 4: Simplify right side
    73,924.23x = 4,073,755,598.51
  5. Step 5: Solve for x
    x = 4,073,755,598.51/73,924.23
  6. Step 6: Final answer
    x = 55,107.18

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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.