Home / 87,551.46-120,652.47-63,640.26

Finding the Fourth Proportional to 87,551.46, 120,652.47 and 63,640.26

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Solution

The fourth proportional to 87,551.46, 120,652.47 and 63,640.26 is: 87,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,551.46 : 120,652.47 = 63,640.26 : x
  2. Step 2: Convert to fraction form
    87,551.46/120,652.47 = 63,640.26/x
  3. Step 3: Cross multiply
    87,551.46x = 120,652.47 × 63,640.26
  4. Step 4: Simplify right side
    87,551.46x = 7,678,354,560.44
  5. Step 5: Solve for x
    x = 7,678,354,560.44/87,551.46
  6. Step 6: Final answer
    x = 87,701.05

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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.