Home / 47,151.18-70,736.67-13,868.45

Finding the Fourth Proportional to 47,151.18, 70,736.67 and 13,868.45

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Solution

The fourth proportional to 47,151.18, 70,736.67 and 13,868.45 is: 20,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,151.18 : 70,736.67 = 13,868.45 : x
  2. Step 2: Convert to fraction form
    47,151.18/70,736.67 = 13,868.45/x
  3. Step 3: Cross multiply
    47,151.18x = 70,736.67 × 13,868.45
  4. Step 4: Simplify right side
    47,151.18x = 981,007,971.06
  5. Step 5: Solve for x
    x = 981,007,971.06/47,151.18
  6. Step 6: Final answer
    x = 20,805.59

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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.