Home / 84,339.51-126,531.18-25,175.19

Finding the Fourth Proportional to 84,339.51, 126,531.18 and 25,175.19

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Solution

The fourth proportional to 84,339.51, 126,531.18 and 25,175.19 is: 37,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,339.51 : 126,531.18 = 25,175.19 : x
  2. Step 2: Convert to fraction form
    84,339.51/126,531.18 = 25,175.19/x
  3. Step 3: Cross multiply
    84,339.51x = 126,531.18 × 25,175.19
  4. Step 4: Simplify right side
    84,339.51x = 3,185,446,497.42
  5. Step 5: Solve for x
    x = 3,185,446,497.42/84,339.51
  6. Step 6: Final answer
    x = 37,769.33

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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.