Home / 82,819.36-124,210.77-26,648.74

Finding the Fourth Proportional to 82,819.36, 124,210.77 and 26,648.74

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Solution

The fourth proportional to 82,819.36, 124,210.77 and 26,648.74 is: 39,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,819.36 : 124,210.77 = 26,648.74 : x
  2. Step 2: Convert to fraction form
    82,819.36/124,210.77 = 26,648.74/x
  3. Step 3: Cross multiply
    82,819.36x = 124,210.77 × 26,648.74
  4. Step 4: Simplify right side
    82,819.36x = 3,310,060,514.93
  5. Step 5: Solve for x
    x = 3,310,060,514.93/82,819.36
  6. Step 6: Final answer
    x = 39,967.23

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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.