Home / 83,213.22-124,807.53-30,610.41

Finding the Fourth Proportional to 83,213.22, 124,807.53 and 30,610.41

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Solution

The fourth proportional to 83,213.22, 124,807.53 and 30,610.41 is: 45,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,213.22 : 124,807.53 = 30,610.41 : x
  2. Step 2: Convert to fraction form
    83,213.22/124,807.53 = 30,610.41/x
  3. Step 3: Cross multiply
    83,213.22x = 124,807.53 × 30,610.41
  4. Step 4: Simplify right side
    83,213.22x = 3,820,409,311.15
  5. Step 5: Solve for x
    x = 3,820,409,311.15/83,213.22
  6. Step 6: Final answer
    x = 45,911.08

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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.