Home / 82,835.22-124,254.86-30,244.76

Finding the Fourth Proportional to 82,835.22, 124,254.86 and 30,244.76

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Solution

The fourth proportional to 82,835.22, 124,254.86 and 30,244.76 is: 45,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,835.22 : 124,254.86 = 30,244.76 : x
  2. Step 2: Convert to fraction form
    82,835.22/124,254.86 = 30,244.76/x
  3. Step 3: Cross multiply
    82,835.22x = 124,254.86 × 30,244.76
  4. Step 4: Simplify right side
    82,835.22x = 3,758,058,419.53
  5. Step 5: Solve for x
    x = 3,758,058,419.53/82,835.22
  6. Step 6: Final answer
    x = 45,367.88

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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.