Home / 108,701.15-163,067.93-38,574.59

Finding the Fourth Proportional to 108,701.15, 163,067.93 and 38,574.59

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Solution

The fourth proportional to 108,701.15, 163,067.93 and 38,574.59 is: 57,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,701.15 : 163,067.93 = 38,574.59 : x
  2. Step 2: Convert to fraction form
    108,701.15/163,067.93 = 38,574.59/x
  3. Step 3: Cross multiply
    108,701.15x = 163,067.93 × 38,574.59
  4. Step 4: Simplify right side
    108,701.15x = 6,290,278,349.03
  5. Step 5: Solve for x
    x = 6,290,278,349.03/108,701.15
  6. Step 6: Final answer
    x = 57,867.63

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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.