Home / 72,324.30-99,806.87-40,493.73

Finding the Fourth Proportional to 72,324.30, 99,806.87 and 40,493.73

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Solution

The fourth proportional to 72,324.30, 99,806.87 and 40,493.73 is: 55,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,324.30 : 99,806.87 = 40,493.73 : x
  2. Step 2: Convert to fraction form
    72,324.30/99,806.87 = 40,493.73/x
  3. Step 3: Cross multiply
    72,324.30x = 99,806.87 × 40,493.73
  4. Step 4: Simplify right side
    72,324.30x = 4,041,552,360.02
  5. Step 5: Solve for x
    x = 4,041,552,360.02/72,324.30
  6. Step 6: Final answer
    x = 55,880.98

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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.