Home / 71,776.08-99,050.22-39,944.44

Finding the Fourth Proportional to 71,776.08, 99,050.22 and 39,944.44

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Solution

The fourth proportional to 71,776.08, 99,050.22 and 39,944.44 is: 55,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,776.08 : 99,050.22 = 39,944.44 : x
  2. Step 2: Convert to fraction form
    71,776.08/99,050.22 = 39,944.44/x
  3. Step 3: Cross multiply
    71,776.08x = 99,050.22 × 39,944.44
  4. Step 4: Simplify right side
    71,776.08x = 3,956,505,569.78
  5. Step 5: Solve for x
    x = 3,956,505,569.78/71,776.08
  6. Step 6: Final answer
    x = 55,122.90

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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.