Home / 73,231.20-101,065.36-41,405.76

Finding the Fourth Proportional to 73,231.20, 101,065.36 and 41,405.76

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Solution

The fourth proportional to 73,231.20, 101,065.36 and 41,405.76 is: 57,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,231.20 : 101,065.36 = 41,405.76 : x
  2. Step 2: Convert to fraction form
    73,231.20/101,065.36 = 41,405.76/x
  3. Step 3: Cross multiply
    73,231.20x = 101,065.36 × 41,405.76
  4. Step 4: Simplify right side
    73,231.20x = 4,184,688,040.47
  5. Step 5: Solve for x
    x = 4,184,688,040.47/73,231.20
  6. Step 6: Final answer
    x = 57,143.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.