Home / 72,822.85-100,497.41-40,992.89

Finding the Fourth Proportional to 72,822.85, 100,497.41 and 40,992.89

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Solution

The fourth proportional to 72,822.85, 100,497.41 and 40,992.89 is: 56,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,822.85 : 100,497.41 = 40,992.89 : x
  2. Step 2: Convert to fraction form
    72,822.85/100,497.41 = 40,992.89/x
  3. Step 3: Cross multiply
    72,822.85x = 100,497.41 × 40,992.89
  4. Step 4: Simplify right side
    72,822.85x = 4,119,678,719.69
  5. Step 5: Solve for x
    x = 4,119,678,719.69/72,822.85
  6. Step 6: Final answer
    x = 56,571.24

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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.