Home / 64,067.04-88,389.09-40,185

Finding the Fourth Proportional to 64,067.04, 88,389.09 and 40,185

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Solution

The fourth proportional to 64,067.04, 88,389.09 and 40,185 is: 55,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,067.04 : 88,389.09 = 40,185 : x
  2. Step 2: Convert to fraction form
    64,067.04/88,389.09 = 40,185/x
  3. Step 3: Cross multiply
    64,067.04x = 88,389.09 × 40,185
  4. Step 4: Simplify right side
    64,067.04x = 3,551,915,581.65
  5. Step 5: Solve for x
    x = 3,551,915,581.65/64,067.04
  6. Step 6: Final answer
    x = 55,440.61

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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.