Home / 72,008.26-99,377.01-40,181.94

Finding the Fourth Proportional to 72,008.26, 99,377.01 and 40,181.94

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Solution

The fourth proportional to 72,008.26, 99,377.01 and 40,181.94 is: 55,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,008.26 : 99,377.01 = 40,181.94 : x
  2. Step 2: Convert to fraction form
    72,008.26/99,377.01 = 40,181.94/x
  3. Step 3: Cross multiply
    72,008.26x = 99,377.01 × 40,181.94
  4. Step 4: Simplify right side
    72,008.26x = 3,993,161,053.20
  5. Step 5: Solve for x
    x = 3,993,161,053.20/72,008.26
  6. Step 6: Final answer
    x = 55,454.21

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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.