Home / 87,270.64-120,426.32-49,028.08

Finding the Fourth Proportional to 87,270.64, 120,426.32 and 49,028.08

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Solution

The fourth proportional to 87,270.64, 120,426.32 and 49,028.08 is: 67,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,270.64 : 120,426.32 = 49,028.08 : x
  2. Step 2: Convert to fraction form
    87,270.64/120,426.32 = 49,028.08/x
  3. Step 3: Cross multiply
    87,270.64x = 120,426.32 × 49,028.08
  4. Step 4: Simplify right side
    87,270.64x = 5,904,271,251.07
  5. Step 5: Solve for x
    x = 5,904,271,251.07/87,270.64
  6. Step 6: Final answer
    x = 67,654.73

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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.