Home / 72,025.73-99,383.62-40,194.55

Finding the Fourth Proportional to 72,025.73, 99,383.62 and 40,194.55

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Solution

The fourth proportional to 72,025.73, 99,383.62 and 40,194.55 is: 55,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,025.73 : 99,383.62 = 40,194.55 : x
  2. Step 2: Convert to fraction form
    72,025.73/99,383.62 = 40,194.55/x
  3. Step 3: Cross multiply
    72,025.73x = 99,383.62 × 40,194.55
  4. Step 4: Simplify right side
    72,025.73x = 3,994,679,883.27
  5. Step 5: Solve for x
    x = 3,994,679,883.27/72,025.73
  6. Step 6: Final answer
    x = 55,461.85

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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.