Home / 47,105.34-70,657.01-13,824.66

Finding the Fourth Proportional to 47,105.34, 70,657.01 and 13,824.66

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Solution

The fourth proportional to 47,105.34, 70,657.01 and 13,824.66 is: 20,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,105.34 : 70,657.01 = 13,824.66 : x
  2. Step 2: Convert to fraction form
    47,105.34/70,657.01 = 13,824.66/x
  3. Step 3: Cross multiply
    47,105.34x = 70,657.01 × 13,824.66
  4. Step 4: Simplify right side
    47,105.34x = 976,809,139.87
  5. Step 5: Solve for x
    x = 976,809,139.87/47,105.34
  6. Step 6: Final answer
    x = 20,736.70

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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.