Home / 110,877.14-166,434.16-47,728.56

Finding the Fourth Proportional to 110,877.14, 166,434.16 and 47,728.56

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Solution

The fourth proportional to 110,877.14, 166,434.16 and 47,728.56 is: 71,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,877.14 : 166,434.16 = 47,728.56 : x
  2. Step 2: Convert to fraction form
    110,877.14/166,434.16 = 47,728.56/x
  3. Step 3: Cross multiply
    110,877.14x = 166,434.16 × 47,728.56
  4. Step 4: Simplify right side
    110,877.14x = 7,943,662,791.61
  5. Step 5: Solve for x
    x = 7,943,662,791.61/110,877.14
  6. Step 6: Final answer
    x = 71,643.83

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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.