Home / 81,050.91-121,576.77-24,890.37

Finding the Fourth Proportional to 81,050.91, 121,576.77 and 24,890.37

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Solution

The fourth proportional to 81,050.91, 121,576.77 and 24,890.37 is: 37,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,050.91 : 121,576.77 = 24,890.37 : x
  2. Step 2: Convert to fraction form
    81,050.91/121,576.77 = 24,890.37/x
  3. Step 3: Cross multiply
    81,050.91x = 121,576.77 × 24,890.37
  4. Step 4: Simplify right side
    81,050.91x = 3,026,090,788.70
  5. Step 5: Solve for x
    x = 3,026,090,788.70/81,050.91
  6. Step 6: Final answer
    x = 37,335.68

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1.5x scale

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.