Home / 87,994.64-121,439.04-50,268.08

Finding the Fourth Proportional to 87,994.64, 121,439.04 and 50,268.08

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Solution

The fourth proportional to 87,994.64, 121,439.04 and 50,268.08 is: 69,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,994.64 : 121,439.04 = 50,268.08 : x
  2. Step 2: Convert to fraction form
    87,994.64/121,439.04 = 50,268.08/x
  3. Step 3: Cross multiply
    87,994.64x = 121,439.04 × 50,268.08
  4. Step 4: Simplify right side
    87,994.64x = 6,104,507,377.84
  5. Step 5: Solve for x
    x = 6,104,507,377.84/87,994.64
  6. Step 6: Final answer
    x = 69,373.63

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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.