Home / 108,700.65-163,067.18-38,574.09

Finding the Fourth Proportional to 108,700.65, 163,067.18 and 38,574.09

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Solution

The fourth proportional to 108,700.65, 163,067.18 and 38,574.09 is: 57,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,700.65 : 163,067.18 = 38,574.09 : x
  2. Step 2: Convert to fraction form
    108,700.65/163,067.18 = 38,574.09/x
  3. Step 3: Cross multiply
    108,700.65x = 163,067.18 × 38,574.09
  4. Step 4: Simplify right side
    108,700.65x = 6,290,167,884.50
  5. Step 5: Solve for x
    x = 6,290,167,884.50/108,700.65
  6. Step 6: Final answer
    x = 57,866.88

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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.