Home / 47,689.62-71,534.44-12,632.02

Finding the Fourth Proportional to 47,689.62, 71,534.44 and 12,632.02

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Solution

The fourth proportional to 47,689.62, 71,534.44 and 12,632.02 is: 18,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.62 : 71,534.44 = 12,632.02 : x
  2. Step 2: Convert to fraction form
    47,689.62/71,534.44 = 12,632.02/x
  3. Step 3: Cross multiply
    47,689.62x = 71,534.44 × 12,632.02
  4. Step 4: Simplify right side
    47,689.62x = 903,624,476.77
  5. Step 5: Solve for x
    x = 903,624,476.77/47,689.62
  6. Step 6: Final answer
    x = 18,948.03

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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.