Home / 72,588.29-100,181.61-40,758.93

Finding the Fourth Proportional to 72,588.29, 100,181.61 and 40,758.93

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Solution

The fourth proportional to 72,588.29, 100,181.61 and 40,758.93 is: 56,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,588.29 : 100,181.61 = 40,758.93 : x
  2. Step 2: Convert to fraction form
    72,588.29/100,181.61 = 40,758.93/x
  3. Step 3: Cross multiply
    72,588.29x = 100,181.61 × 40,758.93
  4. Step 4: Simplify right side
    72,588.29x = 4,083,295,229.28
  5. Step 5: Solve for x
    x = 4,083,295,229.28/72,588.29
  6. Step 6: Final answer
    x = 56,252.81

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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.