Home / 102,031.21-153,046.60-27,151.34

Finding the Fourth Proportional to 102,031.21, 153,046.60 and 27,151.34

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Solution

The fourth proportional to 102,031.21, 153,046.60 and 27,151.34 is: 40,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,031.21 : 153,046.60 = 27,151.34 : x
  2. Step 2: Convert to fraction form
    102,031.21/153,046.60 = 27,151.34/x
  3. Step 3: Cross multiply
    102,031.21x = 153,046.60 × 27,151.34
  4. Step 4: Simplify right side
    102,031.21x = 4,155,420,272.44
  5. Step 5: Solve for x
    x = 4,155,420,272.44/102,031.21
  6. Step 6: Final answer
    x = 40,726.95

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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.