Home / 48,101.76-72,135.36-18,504.48

Finding the Fourth Proportional to 48,101.76, 72,135.36 and 18,504.48

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Solution

The fourth proportional to 48,101.76, 72,135.36 and 18,504.48 is: 27,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,101.76 : 72,135.36 = 18,504.48 : x
  2. Step 2: Convert to fraction form
    48,101.76/72,135.36 = 18,504.48/x
  3. Step 3: Cross multiply
    48,101.76x = 72,135.36 × 18,504.48
  4. Step 4: Simplify right side
    48,101.76x = 1,334,827,326.41
  5. Step 5: Solve for x
    x = 1,334,827,326.41/48,101.76
  6. Step 6: Final answer
    x = 27,750.07

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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.