Home / 72,245.22-99,738.45-49,597.62

Finding the Fourth Proportional to 72,245.22, 99,738.45 and 49,597.62

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Solution

The fourth proportional to 72,245.22, 99,738.45 and 49,597.62 is: 68,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,245.22 : 99,738.45 = 49,597.62 : x
  2. Step 2: Convert to fraction form
    72,245.22/99,738.45 = 49,597.62/x
  3. Step 3: Cross multiply
    72,245.22x = 99,738.45 × 49,597.62
  4. Step 4: Simplify right side
    72,245.22x = 4,946,789,742.49
  5. Step 5: Solve for x
    x = 4,946,789,742.49/72,245.22
  6. Step 6: Final answer
    x = 68,472.21

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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.