Home / 110,529.10-165,789.60-31,643.20

Finding the Fourth Proportional to 110,529.10, 165,789.60 and 31,643.20

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Solution

The fourth proportional to 110,529.10, 165,789.60 and 31,643.20 is: 47,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,529.10 : 165,789.60 = 31,643.20 : x
  2. Step 2: Convert to fraction form
    110,529.10/165,789.60 = 31,643.20/x
  3. Step 3: Cross multiply
    110,529.10x = 165,789.60 × 31,643.20
  4. Step 4: Simplify right side
    110,529.10x = 5,246,113,470.72
  5. Step 5: Solve for x
    x = 5,246,113,470.72/110,529.10
  6. Step 6: Final answer
    x = 47,463.64

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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.