Home / 64,942.80-97,414.20-57,725.70

Finding the Fourth Proportional to 64,942.80, 97,414.20 and 57,725.70

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Solution

The fourth proportional to 64,942.80, 97,414.20 and 57,725.70 is: 86,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,942.80 : 97,414.20 = 57,725.70 : x
  2. Step 2: Convert to fraction form
    64,942.80/97,414.20 = 57,725.70/x
  3. Step 3: Cross multiply
    64,942.80x = 97,414.20 × 57,725.70
  4. Step 4: Simplify right side
    64,942.80x = 5,623,302,884.94
  5. Step 5: Solve for x
    x = 5,623,302,884.94/64,942.80
  6. Step 6: Final answer
    x = 86,588.55

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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.