Home / 85,141.21-127,740.99-32,565.73

Finding the Fourth Proportional to 85,141.21, 127,740.99 and 32,565.73

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Solution

The fourth proportional to 85,141.21, 127,740.99 and 32,565.73 is: 48,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,141.21 : 127,740.99 = 32,565.73 : x
  2. Step 2: Convert to fraction form
    85,141.21/127,740.99 = 32,565.73/x
  3. Step 3: Cross multiply
    85,141.21x = 127,740.99 × 32,565.73
  4. Step 4: Simplify right side
    85,141.21x = 4,159,978,590.27
  5. Step 5: Solve for x
    x = 4,159,978,590.27/85,141.21
  6. Step 6: Final answer
    x = 48,859.75

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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.