Home / 63,641.27-87,752.49-40,640.11

Finding the Fourth Proportional to 63,641.27, 87,752.49 and 40,640.11

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Solution

The fourth proportional to 63,641.27, 87,752.49 and 40,640.11 is: 56,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,641.27 : 87,752.49 = 40,640.11 : x
  2. Step 2: Convert to fraction form
    63,641.27/87,752.49 = 40,640.11/x
  3. Step 3: Cross multiply
    63,641.27x = 87,752.49 × 40,640.11
  4. Step 4: Simplify right side
    63,641.27x = 3,566,270,846.37
  5. Step 5: Solve for x
    x = 3,566,270,846.37/63,641.27
  6. Step 6: Final answer
    x = 56,037.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.