Home / 68,529.60-102,794.40-39,005.10

Finding the Fourth Proportional to 68,529.60, 102,794.40 and 39,005.10

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Solution

The fourth proportional to 68,529.60, 102,794.40 and 39,005.10 is: 58,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,529.60 : 102,794.40 = 39,005.10 : x
  2. Step 2: Convert to fraction form
    68,529.60/102,794.40 = 39,005.10/x
  3. Step 3: Cross multiply
    68,529.60x = 102,794.40 × 39,005.10
  4. Step 4: Simplify right side
    68,529.60x = 4,009,505,851.44
  5. Step 5: Solve for x
    x = 4,009,505,851.44/68,529.60
  6. Step 6: Final answer
    x = 58,507.65

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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.