Home / 110,904.40-166,378.20-47,724.40

Finding the Fourth Proportional to 110,904.40, 166,378.20 and 47,724.40

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Solution

The fourth proportional to 110,904.40, 166,378.20 and 47,724.40 is: 71,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,904.40 : 166,378.20 = 47,724.40 : x
  2. Step 2: Convert to fraction form
    110,904.40/166,378.20 = 47,724.40/x
  3. Step 3: Cross multiply
    110,904.40x = 166,378.20 × 47,724.40
  4. Step 4: Simplify right side
    110,904.40x = 7,940,299,768.08
  5. Step 5: Solve for x
    x = 7,940,299,768.08/110,904.40
  6. Step 6: Final answer
    x = 71,595.89

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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.