Home / 47,727.32-71,585.42-12,669.70

Finding the Fourth Proportional to 47,727.32, 71,585.42 and 12,669.70

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Solution

The fourth proportional to 47,727.32, 71,585.42 and 12,669.70 is: 19,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,727.32 : 71,585.42 = 12,669.70 : x
  2. Step 2: Convert to fraction form
    47,727.32/71,585.42 = 12,669.70/x
  3. Step 3: Cross multiply
    47,727.32x = 71,585.42 × 12,669.70
  4. Step 4: Simplify right side
    47,727.32x = 906,965,795.77
  5. Step 5: Solve for x
    x = 906,965,795.77/47,727.32
  6. Step 6: Final answer
    x = 19,003.07

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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.