Home / 71,846.96-99,144.60-40,014.32

Finding the Fourth Proportional to 71,846.96, 99,144.60 and 40,014.32

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Solution

The fourth proportional to 71,846.96, 99,144.60 and 40,014.32 is: 55,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,846.96 : 99,144.60 = 40,014.32 : x
  2. Step 2: Convert to fraction form
    71,846.96/99,144.60 = 40,014.32/x
  3. Step 3: Cross multiply
    71,846.96x = 99,144.60 × 40,014.32
  4. Step 4: Simplify right side
    71,846.96x = 3,967,203,750.67
  5. Step 5: Solve for x
    x = 3,967,203,750.67/71,846.96
  6. Step 6: Final answer
    x = 55,217.42

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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.