Home / 82,819.87-124,254.10-26,658.77

Finding the Fourth Proportional to 82,819.87, 124,254.10 and 26,658.77

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Solution

The fourth proportional to 82,819.87, 124,254.10 and 26,658.77 is: 39,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,819.87 : 124,254.10 = 26,658.77 : x
  2. Step 2: Convert to fraction form
    82,819.87/124,254.10 = 26,658.77/x
  3. Step 3: Cross multiply
    82,819.87x = 124,254.10 × 26,658.77
  4. Step 4: Simplify right side
    82,819.87x = 3,312,461,584.44
  5. Step 5: Solve for x
    x = 3,312,461,584.44/82,819.87
  6. Step 6: Final answer
    x = 39,995.98

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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.