Home / 113,760.64-156,993.96-63,469.36

Finding the Fourth Proportional to 113,760.64, 156,993.96 and 63,469.36

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Solution

The fourth proportional to 113,760.64, 156,993.96 and 63,469.36 is: 87,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,760.64 : 156,993.96 = 63,469.36 : x
  2. Step 2: Convert to fraction form
    113,760.64/156,993.96 = 63,469.36/x
  3. Step 3: Cross multiply
    113,760.64x = 156,993.96 × 63,469.36
  4. Step 4: Simplify right side
    113,760.64x = 9,964,306,165.07
  5. Step 5: Solve for x
    x = 9,964,306,165.07/113,760.64
  6. Step 6: Final answer
    x = 87,590.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.