Home / 72,827.75-100,504.15-40,997.76

Finding the Fourth Proportional to 72,827.75, 100,504.15 and 40,997.76

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Solution

The fourth proportional to 72,827.75, 100,504.15 and 40,997.76 is: 56,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827.75 : 100,504.15 = 40,997.76 : x
  2. Step 2: Convert to fraction form
    72,827.75/100,504.15 = 40,997.76/x
  3. Step 3: Cross multiply
    72,827.75x = 100,504.15 × 40,997.76
  4. Step 4: Simplify right side
    72,827.75x = 4,120,444,918.21
  5. Step 5: Solve for x
    x = 4,120,444,918.21/72,827.75
  6. Step 6: Final answer
    x = 56,577.96

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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.