Home / 47,186.61-70,792.07-13,905.33

Finding the Fourth Proportional to 47,186.61, 70,792.07 and 13,905.33

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Solution

The fourth proportional to 47,186.61, 70,792.07 and 13,905.33 is: 20,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,186.61 : 70,792.07 = 13,905.33 : x
  2. Step 2: Convert to fraction form
    47,186.61/70,792.07 = 13,905.33/x
  3. Step 3: Cross multiply
    47,186.61x = 70,792.07 × 13,905.33
  4. Step 4: Simplify right side
    47,186.61x = 984,387,025.21
  5. Step 5: Solve for x
    x = 984,387,025.21/47,186.61
  6. Step 6: Final answer
    x = 20,861.58

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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.