Home / 71,323.39-107,040.97-31,370.14

Finding the Fourth Proportional to 71,323.39, 107,040.97 and 31,370.14

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Solution

The fourth proportional to 71,323.39, 107,040.97 and 31,370.14 is: 47,079.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,323.39 : 107,040.97 = 31,370.14 : x
  2. Step 2: Convert to fraction form
    71,323.39/107,040.97 = 31,370.14/x
  3. Step 3: Cross multiply
    71,323.39x = 107,040.97 × 31,370.14
  4. Step 4: Simplify right side
    71,323.39x = 3,357,889,697.32
  5. Step 5: Solve for x
    x = 3,357,889,697.32/71,323.39
  6. Step 6: Final answer
    x = 47,079.79

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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.