Home / 41,270.91-61,905.18-11,688.69

Finding the Fourth Proportional to 41,270.91, 61,905.18 and 11,688.69

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Solution

The fourth proportional to 41,270.91, 61,905.18 and 11,688.69 is: 17,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,270.91 : 61,905.18 = 11,688.69 : x
  2. Step 2: Convert to fraction form
    41,270.91/61,905.18 = 11,688.69/x
  3. Step 3: Cross multiply
    41,270.91x = 61,905.18 × 11,688.69
  4. Step 4: Simplify right side
    41,270.91x = 723,590,458.41
  5. Step 5: Solve for x
    x = 723,590,458.41/41,270.91
  6. Step 6: Final answer
    x = 17,532.70

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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.