Home / 63,542.34-87,687.08-35,247.78

Finding the Fourth Proportional to 63,542.34, 87,687.08 and 35,247.78

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Solution

The fourth proportional to 63,542.34, 87,687.08 and 35,247.78 is: 48,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,542.34 : 87,687.08 = 35,247.78 : x
  2. Step 2: Convert to fraction form
    63,542.34/87,687.08 = 35,247.78/x
  3. Step 3: Cross multiply
    63,542.34x = 87,687.08 × 35,247.78
  4. Step 4: Simplify right side
    63,542.34x = 3,090,774,904.68
  5. Step 5: Solve for x
    x = 3,090,774,904.68/63,542.34
  6. Step 6: Final answer
    x = 48,641.19

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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.