Home / 72,026.57-99,396.75-40,195.46

Finding the Fourth Proportional to 72,026.57, 99,396.75 and 40,195.46

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Solution

The fourth proportional to 72,026.57, 99,396.75 and 40,195.46 is: 55,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,026.57 : 99,396.75 = 40,195.46 : x
  2. Step 2: Convert to fraction form
    72,026.57/99,396.75 = 40,195.46/x
  3. Step 3: Cross multiply
    72,026.57x = 99,396.75 × 40,195.46
  4. Step 4: Simplify right side
    72,026.57x = 3,995,298,088.76
  5. Step 5: Solve for x
    x = 3,995,298,088.76/72,026.57
  6. Step 6: Final answer
    x = 55,469.78

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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.