Home / 90,260.20-124,563.68-49,978.41

Finding the Fourth Proportional to 90,260.20, 124,563.68 and 49,978.41

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Solution

The fourth proportional to 90,260.20, 124,563.68 and 49,978.41 is: 68,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,260.20 : 124,563.68 = 49,978.41 : x
  2. Step 2: Convert to fraction form
    90,260.20/124,563.68 = 49,978.41/x
  3. Step 3: Cross multiply
    90,260.20x = 124,563.68 × 49,978.41
  4. Step 4: Simplify right side
    90,260.20x = 6,225,494,670.15
  5. Step 5: Solve for x
    x = 6,225,494,670.15/90,260.20
  6. Step 6: Final answer
    x = 68,972.76

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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.