Home / 76,578.30-114,782.40-32,191.92

Finding the Fourth Proportional to 76,578.30, 114,782.40 and 32,191.92

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Solution

The fourth proportional to 76,578.30, 114,782.40 and 32,191.92 is: 48,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,578.30 : 114,782.40 = 32,191.92 : x
  2. Step 2: Convert to fraction form
    76,578.30/114,782.40 = 32,191.92/x
  3. Step 3: Cross multiply
    76,578.30x = 114,782.40 × 32,191.92
  4. Step 4: Simplify right side
    76,578.30x = 3,695,065,838.21
  5. Step 5: Solve for x
    x = 3,695,065,838.21/76,578.30
  6. Step 6: Final answer
    x = 48,252.13

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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.