Home / 73,077.13-109,603.33-20,474.52

Finding the Fourth Proportional to 73,077.13, 109,603.33 and 20,474.52

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Solution

The fourth proportional to 73,077.13, 109,603.33 and 20,474.52 is: 30,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,077.13 : 109,603.33 = 20,474.52 : x
  2. Step 2: Convert to fraction form
    73,077.13/109,603.33 = 20,474.52/x
  3. Step 3: Cross multiply
    73,077.13x = 109,603.33 × 20,474.52
  4. Step 4: Simplify right side
    73,077.13x = 2,244,075,572.15
  5. Step 5: Solve for x
    x = 2,244,075,572.15/73,077.13
  6. Step 6: Final answer
    x = 30,708.32

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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.