Home / 64,786.15-97,192.86-36,719.65

Finding the Fourth Proportional to 64,786.15, 97,192.86 and 36,719.65

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Solution

The fourth proportional to 64,786.15, 97,192.86 and 36,719.65 is: 55,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,786.15 : 97,192.86 = 36,719.65 : x
  2. Step 2: Convert to fraction form
    64,786.15/97,192.86 = 36,719.65/x
  3. Step 3: Cross multiply
    64,786.15x = 97,192.86 × 36,719.65
  4. Step 4: Simplify right side
    64,786.15x = 3,568,887,801.70
  5. Step 5: Solve for x
    x = 3,568,887,801.70/64,786.15
  6. Step 6: Final answer
    x = 55,087.20

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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.