Home / 110,876.64-166,433.40-47,728.05

Finding the Fourth Proportional to 110,876.64, 166,433.40 and 47,728.05

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Solution

The fourth proportional to 110,876.64, 166,433.40 and 47,728.05 is: 71,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,876.64 : 166,433.40 = 47,728.05 : x
  2. Step 2: Convert to fraction form
    110,876.64/166,433.40 = 47,728.05/x
  3. Step 3: Cross multiply
    110,876.64x = 166,433.40 × 47,728.05
  4. Step 4: Simplify right side
    110,876.64x = 7,943,541,636.87
  5. Step 5: Solve for x
    x = 7,943,541,636.87/110,876.64
  6. Step 6: Final answer
    x = 71,643.06

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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.