Home / 72,446.96-99,972.60-40,610

Finding the Fourth Proportional to 72,446.96, 99,972.60 and 40,610

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Solution

The fourth proportional to 72,446.96, 99,972.60 and 40,610 is: 56,039.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,446.96 : 99,972.60 = 40,610 : x
  2. Step 2: Convert to fraction form
    72,446.96/99,972.60 = 40,610/x
  3. Step 3: Cross multiply
    72,446.96x = 99,972.60 × 40,610
  4. Step 4: Simplify right side
    72,446.96x = 4,059,887,286
  5. Step 5: Solve for x
    x = 4,059,887,286/72,446.96
  6. Step 6: Final answer
    x = 56,039.44

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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.