Home / 106,504.32-159,542.64-53,035.20

Finding the Fourth Proportional to 106,504.32, 159,542.64 and 53,035.20

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Solution

The fourth proportional to 106,504.32, 159,542.64 and 53,035.20 is: 79,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,504.32 : 159,542.64 = 53,035.20 : x
  2. Step 2: Convert to fraction form
    106,504.32/159,542.64 = 53,035.20/x
  3. Step 3: Cross multiply
    106,504.32x = 159,542.64 × 53,035.20
  4. Step 4: Simplify right side
    106,504.32x = 8,461,375,820.93
  5. Step 5: Solve for x
    x = 8,461,375,820.93/106,504.32
  6. Step 6: Final answer
    x = 79,446.32

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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.