Home / 56,505.78-84,772.85-39,898.22

Finding the Fourth Proportional to 56,505.78, 84,772.85 and 39,898.22

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Solution

The fourth proportional to 56,505.78, 84,772.85 and 39,898.22 is: 59,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,505.78 : 84,772.85 = 39,898.22 : x
  2. Step 2: Convert to fraction form
    56,505.78/84,772.85 = 39,898.22/x
  3. Step 3: Cross multiply
    56,505.78x = 84,772.85 × 39,898.22
  4. Step 4: Simplify right side
    56,505.78x = 3,382,285,195.97
  5. Step 5: Solve for x
    x = 3,382,285,195.97/56,505.78
  6. Step 6: Final answer
    x = 59,857.33

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1.5x scale

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.