Home / 67,422.87-101,053.91-31,350.60

Finding the Fourth Proportional to 67,422.87, 101,053.91 and 31,350.60

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Solution

The fourth proportional to 67,422.87, 101,053.91 and 31,350.60 is: 46,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,422.87 : 101,053.91 = 31,350.60 : x
  2. Step 2: Convert to fraction form
    67,422.87/101,053.91 = 31,350.60/x
  3. Step 3: Cross multiply
    67,422.87x = 101,053.91 × 31,350.60
  4. Step 4: Simplify right side
    67,422.87x = 3,168,100,554.09
  5. Step 5: Solve for x
    x = 3,168,100,554.09/67,422.87
  6. Step 6: Final answer
    x = 46,988.52

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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.