Home / 65,602.41-90,542.26-49,659.18

Finding the Fourth Proportional to 65,602.41, 90,542.26 and 49,659.18

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Solution

The fourth proportional to 65,602.41, 90,542.26 and 49,659.18 is: 68,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,602.41 : 90,542.26 = 49,659.18 : x
  2. Step 2: Convert to fraction form
    65,602.41/90,542.26 = 49,659.18/x
  3. Step 3: Cross multiply
    65,602.41x = 90,542.26 × 49,659.18
  4. Step 4: Simplify right side
    65,602.41x = 4,496,253,830.15
  5. Step 5: Solve for x
    x = 4,496,253,830.15/65,602.41
  6. Step 6: Final answer
    x = 68,537.94

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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.