Home / 71,941.44-99,277.74-40,108.44

Finding the Fourth Proportional to 71,941.44, 99,277.74 and 40,108.44

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Solution

The fourth proportional to 71,941.44, 99,277.74 and 40,108.44 is: 55,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,941.44 : 99,277.74 = 40,108.44 : x
  2. Step 2: Convert to fraction form
    71,941.44/99,277.74 = 40,108.44/x
  3. Step 3: Cross multiply
    71,941.44x = 99,277.74 × 40,108.44
  4. Step 4: Simplify right side
    71,941.44x = 3,981,875,278.13
  5. Step 5: Solve for x
    x = 3,981,875,278.13/71,941.44
  6. Step 6: Final answer
    x = 55,348.84

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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.