Home / 90,260.06-124,560.20-51,998.50

Finding the Fourth Proportional to 90,260.06, 124,560.20 and 51,998.50

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Solution

The fourth proportional to 90,260.06, 124,560.20 and 51,998.50 is: 71,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,260.06 : 124,560.20 = 51,998.50 : x
  2. Step 2: Convert to fraction form
    90,260.06/124,560.20 = 51,998.50/x
  3. Step 3: Cross multiply
    90,260.06x = 124,560.20 × 51,998.50
  4. Step 4: Simplify right side
    90,260.06x = 6,476,942,676.91
  5. Step 5: Solve for x
    x = 6,476,942,676.91/90,260.06
  6. Step 6: Final answer
    x = 71,758.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.