Home / 72,869.18-100,561.41-41,039.19

Finding the Fourth Proportional to 72,869.18, 100,561.41 and 41,039.19

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Solution

The fourth proportional to 72,869.18, 100,561.41 and 41,039.19 is: 56,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,869.18 : 100,561.41 = 41,039.19 : x
  2. Step 2: Convert to fraction form
    72,869.18/100,561.41 = 41,039.19/x
  3. Step 3: Cross multiply
    72,869.18x = 100,561.41 × 41,039.19
  4. Step 4: Simplify right side
    72,869.18x = 4,126,958,811.66
  5. Step 5: Solve for x
    x = 4,126,958,811.66/72,869.18
  6. Step 6: Final answer
    x = 56,635.18

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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.