Home / 99,090.73-148,651.55-32,515.71

Finding the Fourth Proportional to 99,090.73, 148,651.55 and 32,515.71

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Solution

The fourth proportional to 99,090.73, 148,651.55 and 32,515.71 is: 48,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,090.73 : 148,651.55 = 32,515.71 : x
  2. Step 2: Convert to fraction form
    99,090.73/148,651.55 = 32,515.71/x
  3. Step 3: Cross multiply
    99,090.73x = 148,651.55 × 32,515.71
  4. Step 4: Simplify right side
    99,090.73x = 4,833,510,690.85
  5. Step 5: Solve for x
    x = 4,833,510,690.85/99,090.73
  6. Step 6: Final answer
    x = 48,778.64

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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.