Home / 41,688.71-62,534.79-12,106.54

Finding the Fourth Proportional to 41,688.71, 62,534.79 and 12,106.54

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Solution

The fourth proportional to 41,688.71, 62,534.79 and 12,106.54 is: 18,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,688.71 : 62,534.79 = 12,106.54 : x
  2. Step 2: Convert to fraction form
    41,688.71/62,534.79 = 12,106.54/x
  3. Step 3: Cross multiply
    41,688.71x = 62,534.79 × 12,106.54
  4. Step 4: Simplify right side
    41,688.71x = 757,079,875.99
  5. Step 5: Solve for x
    x = 757,079,875.99/41,688.71
  6. Step 6: Final answer
    x = 18,160.31

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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.