Home / 53,155.27-79,732.99-49,907.58

Finding the Fourth Proportional to 53,155.27, 79,732.99 and 49,907.58

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Solution

The fourth proportional to 53,155.27, 79,732.99 and 49,907.58 is: 74,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,155.27 : 79,732.99 = 49,907.58 : x
  2. Step 2: Convert to fraction form
    53,155.27/79,732.99 = 49,907.58/x
  3. Step 3: Cross multiply
    53,155.27x = 79,732.99 × 49,907.58
  4. Step 4: Simplify right side
    53,155.27x = 3,979,280,340.45
  5. Step 5: Solve for x
    x = 3,979,280,340.45/53,155.27
  6. Step 6: Final answer
    x = 74,861.44

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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.