Home / 106,520.54-159,731.60-39,913.02

Finding the Fourth Proportional to 106,520.54, 159,731.60 and 39,913.02

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Solution

The fourth proportional to 106,520.54, 159,731.60 and 39,913.02 is: 59,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,520.54 : 159,731.60 = 39,913.02 : x
  2. Step 2: Convert to fraction form
    106,520.54/159,731.60 = 39,913.02/x
  3. Step 3: Cross multiply
    106,520.54x = 159,731.60 × 39,913.02
  4. Step 4: Simplify right side
    106,520.54x = 6,375,370,345.87
  5. Step 5: Solve for x
    x = 6,375,370,345.87/106,520.54
  6. Step 6: Final answer
    x = 59,851.09

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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.