Home / 89,033.75-122,861.90-48,739.79

Finding the Fourth Proportional to 89,033.75, 122,861.90 and 48,739.79

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Solution

The fourth proportional to 89,033.75, 122,861.90 and 48,739.79 is: 67,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.75 : 122,861.90 = 48,739.79 : x
  2. Step 2: Convert to fraction form
    89,033.75/122,861.90 = 48,739.79/x
  3. Step 3: Cross multiply
    89,033.75x = 122,861.90 × 48,739.79
  4. Step 4: Simplify right side
    89,033.75x = 5,988,262,346.99
  5. Step 5: Solve for x
    x = 5,988,262,346.99/89,033.75
  6. Step 6: Final answer
    x = 67,258.35

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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.