Home / 77,618.20-116,472.47-32,636.30

Finding the Fourth Proportional to 77,618.20, 116,472.47 and 32,636.30

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Solution

The fourth proportional to 77,618.20, 116,472.47 and 32,636.30 is: 48,973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,618.20 : 116,472.47 = 32,636.30 : x
  2. Step 2: Convert to fraction form
    77,618.20/116,472.47 = 32,636.30/x
  3. Step 3: Cross multiply
    77,618.20x = 116,472.47 × 32,636.30
  4. Step 4: Simplify right side
    77,618.20x = 3,801,229,890.30
  5. Step 5: Solve for x
    x = 3,801,229,890.30/77,618.20
  6. Step 6: Final answer
    x = 48,973.44

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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.