Home / 107,662.24-148,589.60-64,644.64

Finding the Fourth Proportional to 107,662.24, 148,589.60 and 64,644.64

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Solution

The fourth proportional to 107,662.24, 148,589.60 and 64,644.64 is: 89,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,662.24 : 148,589.60 = 64,644.64 : x
  2. Step 2: Convert to fraction form
    107,662.24/148,589.60 = 64,644.64/x
  3. Step 3: Cross multiply
    107,662.24x = 148,589.60 × 64,644.64
  4. Step 4: Simplify right side
    107,662.24x = 9,605,521,199.74
  5. Step 5: Solve for x
    x = 9,605,521,199.74/107,662.24
  6. Step 6: Final answer
    x = 89,219.04

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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.