Home / 79,568.12-109,801.49-43,758.02

Finding the Fourth Proportional to 79,568.12, 109,801.49 and 43,758.02

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Solution

The fourth proportional to 79,568.12, 109,801.49 and 43,758.02 is: 60,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,568.12 : 109,801.49 = 43,758.02 : x
  2. Step 2: Convert to fraction form
    79,568.12/109,801.49 = 43,758.02/x
  3. Step 3: Cross multiply
    79,568.12x = 109,801.49 × 43,758.02
  4. Step 4: Simplify right side
    79,568.12x = 4,804,695,027.65
  5. Step 5: Solve for x
    x = 4,804,695,027.65/79,568.12
  6. Step 6: Final answer
    x = 60,384.68

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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.