Home / 106,306.25-159,557.78-53,752.64

Finding the Fourth Proportional to 106,306.25, 159,557.78 and 53,752.64

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Solution

The fourth proportional to 106,306.25, 159,557.78 and 53,752.64 is: 80,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,306.25 : 159,557.78 = 53,752.64 : x
  2. Step 2: Convert to fraction form
    106,306.25/159,557.78 = 53,752.64/x
  3. Step 3: Cross multiply
    106,306.25x = 159,557.78 × 53,752.64
  4. Step 4: Simplify right side
    106,306.25x = 8,576,651,244.13
  5. Step 5: Solve for x
    x = 8,576,651,244.13/106,306.25
  6. Step 6: Final answer
    x = 80,678.72

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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.