Home / 47,825.76-71,737.02-12,763.56

Finding the Fourth Proportional to 47,825.76, 71,737.02 and 12,763.56

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Solution

The fourth proportional to 47,825.76, 71,737.02 and 12,763.56 is: 19,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,825.76 : 71,737.02 = 12,763.56 : x
  2. Step 2: Convert to fraction form
    47,825.76/71,737.02 = 12,763.56/x
  3. Step 3: Cross multiply
    47,825.76x = 71,737.02 × 12,763.56
  4. Step 4: Simplify right side
    47,825.76x = 915,619,758.99
  5. Step 5: Solve for x
    x = 915,619,758.99/47,825.76
  6. Step 6: Final answer
    x = 19,144.91

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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.