Home / 90,014.72-124,220.52-49,727.60

Finding the Fourth Proportional to 90,014.72, 124,220.52 and 49,727.60

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Solution

The fourth proportional to 90,014.72, 124,220.52 and 49,727.60 is: 68,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,014.72 : 124,220.52 = 49,727.60 : x
  2. Step 2: Convert to fraction form
    90,014.72/124,220.52 = 49,727.60/x
  3. Step 3: Cross multiply
    90,014.72x = 124,220.52 × 49,727.60
  4. Step 4: Simplify right side
    90,014.72x = 6,177,188,330.35
  5. Step 5: Solve for x
    x = 6,177,188,330.35/90,014.72
  6. Step 6: Final answer
    x = 68,624.20

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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.