Home / 66,143.36-99,248.96-32,408.73

Finding the Fourth Proportional to 66,143.36, 99,248.96 and 32,408.73

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Solution

The fourth proportional to 66,143.36, 99,248.96 and 32,408.73 is: 48,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,143.36 : 99,248.96 = 32,408.73 : x
  2. Step 2: Convert to fraction form
    66,143.36/99,248.96 = 32,408.73/x
  3. Step 3: Cross multiply
    66,143.36x = 99,248.96 × 32,408.73
  4. Step 4: Simplify right side
    66,143.36x = 3,216,532,747.42
  5. Step 5: Solve for x
    x = 3,216,532,747.42/66,143.36
  6. Step 6: Final answer
    x = 48,629.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.