Home / 84,554.21-126,832.38-25,386.44

Finding the Fourth Proportional to 84,554.21, 126,832.38 and 25,386.44

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Solution

The fourth proportional to 84,554.21, 126,832.38 and 25,386.44 is: 38,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,554.21 : 126,832.38 = 25,386.44 : x
  2. Step 2: Convert to fraction form
    84,554.21/126,832.38 = 25,386.44/x
  3. Step 3: Cross multiply
    84,554.21x = 126,832.38 × 25,386.44
  4. Step 4: Simplify right side
    84,554.21x = 3,219,822,604.93
  5. Step 5: Solve for x
    x = 3,219,822,604.93/84,554.21
  6. Step 6: Final answer
    x = 38,079.98

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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.