Home / 72,414.74-99,936.44-40,585.69

Finding the Fourth Proportional to 72,414.74, 99,936.44 and 40,585.69

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Solution

The fourth proportional to 72,414.74, 99,936.44 and 40,585.69 is: 56,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,414.74 : 99,936.44 = 40,585.69 : x
  2. Step 2: Convert to fraction form
    72,414.74/99,936.44 = 40,585.69/x
  3. Step 3: Cross multiply
    72,414.74x = 99,936.44 × 40,585.69
  4. Step 4: Simplify right side
    72,414.74x = 4,055,989,676.03
  5. Step 5: Solve for x
    x = 4,055,989,676.03/72,414.74
  6. Step 6: Final answer
    x = 56,010.55

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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.