Home / 82,819.22-124,072.09-48,983.90

Finding the Fourth Proportional to 82,819.22, 124,072.09 and 48,983.90

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Solution

The fourth proportional to 82,819.22, 124,072.09 and 48,983.90 is: 73,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,819.22 : 124,072.09 = 48,983.90 : x
  2. Step 2: Convert to fraction form
    82,819.22/124,072.09 = 48,983.90/x
  3. Step 3: Cross multiply
    82,819.22x = 124,072.09 × 48,983.90
  4. Step 4: Simplify right side
    82,819.22x = 6,077,534,106.53
  5. Step 5: Solve for x
    x = 6,077,534,106.53/82,819.22
  6. Step 6: Final answer
    x = 73,383.14

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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.