Home / 48,722.13-73,085.36-13,661.01

Finding the Fourth Proportional to 48,722.13, 73,085.36 and 13,661.01

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Solution

The fourth proportional to 48,722.13, 73,085.36 and 13,661.01 is: 20,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.13 : 73,085.36 = 13,661.01 : x
  2. Step 2: Convert to fraction form
    48,722.13/73,085.36 = 13,661.01/x
  3. Step 3: Cross multiply
    48,722.13x = 73,085.36 × 13,661.01
  4. Step 4: Simplify right side
    48,722.13x = 998,419,765.51
  5. Step 5: Solve for x
    x = 998,419,765.51/48,722.13
  6. Step 6: Final answer
    x = 20,492.12

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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.