Home / 87,277.08-120,442.48-49,551.32

Finding the Fourth Proportional to 87,277.08, 120,442.48 and 49,551.32

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Solution

The fourth proportional to 87,277.08, 120,442.48 and 49,551.32 is: 68,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,277.08 : 120,442.48 = 49,551.32 : x
  2. Step 2: Convert to fraction form
    87,277.08/120,442.48 = 49,551.32/x
  3. Step 3: Cross multiply
    87,277.08x = 120,442.48 × 49,551.32
  4. Step 4: Simplify right side
    87,277.08x = 5,968,083,868.07
  5. Step 5: Solve for x
    x = 5,968,083,868.07/87,277.08
  6. Step 6: Final answer
    x = 68,380.88

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1.5x scale

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.