Home / 72,044.73-99,423.23-40,214.97

Finding the Fourth Proportional to 72,044.73, 99,423.23 and 40,214.97

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Solution

The fourth proportional to 72,044.73, 99,423.23 and 40,214.97 is: 55,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,044.73 : 99,423.23 = 40,214.97 : x
  2. Step 2: Convert to fraction form
    72,044.73/99,423.23 = 40,214.97/x
  3. Step 3: Cross multiply
    72,044.73x = 99,423.23 × 40,214.97
  4. Step 4: Simplify right side
    72,044.73x = 3,998,302,010.68
  5. Step 5: Solve for x
    x = 3,998,302,010.68/72,044.73
  6. Step 6: Final answer
    x = 55,497.49

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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.