Home / 87,965.04-121,390.16-50,234.16

Finding the Fourth Proportional to 87,965.04, 121,390.16 and 50,234.16

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Solution

The fourth proportional to 87,965.04, 121,390.16 and 50,234.16 is: 69,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,965.04 : 121,390.16 = 50,234.16 : x
  2. Step 2: Convert to fraction form
    87,965.04/121,390.16 = 50,234.16/x
  3. Step 3: Cross multiply
    87,965.04x = 121,390.16 × 50,234.16
  4. Step 4: Simplify right side
    87,965.04x = 6,097,932,719.87
  5. Step 5: Solve for x
    x = 6,097,932,719.87/87,965.04
  6. Step 6: Final answer
    x = 69,322.23

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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.