Home / 103,816.22-143,272.80-60,217.61

Finding the Fourth Proportional to 103,816.22, 143,272.80 and 60,217.61

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Solution

The fourth proportional to 103,816.22, 143,272.80 and 60,217.61 is: 83,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,816.22 : 143,272.80 = 60,217.61 : x
  2. Step 2: Convert to fraction form
    103,816.22/143,272.80 = 60,217.61/x
  3. Step 3: Cross multiply
    103,816.22x = 143,272.80 × 60,217.61
  4. Step 4: Simplify right side
    103,816.22x = 8,627,544,877.64
  5. Step 5: Solve for x
    x = 8,627,544,877.64/103,816.22
  6. Step 6: Final answer
    x = 83,104.02

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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.