Home / 75,631.44-104,373.66-41,643.48

Finding the Fourth Proportional to 75,631.44, 104,373.66 and 41,643.48

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Solution

The fourth proportional to 75,631.44, 104,373.66 and 41,643.48 is: 57,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,631.44 : 104,373.66 = 41,643.48 : x
  2. Step 2: Convert to fraction form
    75,631.44/104,373.66 = 41,643.48/x
  3. Step 3: Cross multiply
    75,631.44x = 104,373.66 × 41,643.48
  4. Step 4: Simplify right side
    75,631.44x = 4,346,482,422.74
  5. Step 5: Solve for x
    x = 4,346,482,422.74/75,631.44
  6. Step 6: Final answer
    x = 57,469.25

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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.