Home / 72,626.27-100,224.30-40,795.19

Finding the Fourth Proportional to 72,626.27, 100,224.30 and 40,795.19

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Solution

The fourth proportional to 72,626.27, 100,224.30 and 40,795.19 is: 56,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,626.27 : 100,224.30 = 40,795.19 : x
  2. Step 2: Convert to fraction form
    72,626.27/100,224.30 = 40,795.19/x
  3. Step 3: Cross multiply
    72,626.27x = 100,224.30 × 40,795.19
  4. Step 4: Simplify right side
    72,626.27x = 4,088,669,388.82
  5. Step 5: Solve for x
    x = 4,088,669,388.82/72,626.27
  6. Step 6: Final answer
    x = 56,297.39

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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.