Home / 87,497.24-120,745.14-49,771.40

Finding the Fourth Proportional to 87,497.24, 120,745.14 and 49,771.40

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Solution

The fourth proportional to 87,497.24, 120,745.14 and 49,771.40 is: 68,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,497.24 : 120,745.14 = 49,771.40 : x
  2. Step 2: Convert to fraction form
    87,497.24/120,745.14 = 49,771.40/x
  3. Step 3: Cross multiply
    87,497.24x = 120,745.14 × 49,771.40
  4. Step 4: Simplify right side
    87,497.24x = 6,009,654,661.00
  5. Step 5: Solve for x
    x = 6,009,654,661.00/87,497.24
  6. Step 6: Final answer
    x = 68,683.93

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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.