Home / 67,360.36-101,029.66-31,821.60

Finding the Fourth Proportional to 67,360.36, 101,029.66 and 31,821.60

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Solution

The fourth proportional to 67,360.36, 101,029.66 and 31,821.60 is: 47,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,360.36 : 101,029.66 = 31,821.60 : x
  2. Step 2: Convert to fraction form
    67,360.36/101,029.66 = 31,821.60/x
  3. Step 3: Cross multiply
    67,360.36x = 101,029.66 × 31,821.60
  4. Step 4: Simplify right side
    67,360.36x = 3,214,925,428.66
  5. Step 5: Solve for x
    x = 3,214,925,428.66/67,360.36
  6. Step 6: Final answer
    x = 47,727.26

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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.