Home / 87,004.80-120,066.52-49,286.32

Finding the Fourth Proportional to 87,004.80, 120,066.52 and 49,286.32

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Solution

The fourth proportional to 87,004.80, 120,066.52 and 49,286.32 is: 68,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004.80 : 120,066.52 = 49,286.32 : x
  2. Step 2: Convert to fraction form
    87,004.80/120,066.52 = 49,286.32/x
  3. Step 3: Cross multiply
    87,004.80x = 120,066.52 × 49,286.32
  4. Step 4: Simplify right side
    87,004.80x = 5,917,636,926.01
  5. Step 5: Solve for x
    x = 5,917,636,926.01/87,004.80
  6. Step 6: Final answer
    x = 68,015.06

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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.