Home / 76,923.68-115,306.32-55,811.12

Finding the Fourth Proportional to 76,923.68, 115,306.32 and 55,811.12

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Solution

The fourth proportional to 76,923.68, 115,306.32 and 55,811.12 is: 83,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,923.68 : 115,306.32 = 55,811.12 : x
  2. Step 2: Convert to fraction form
    76,923.68/115,306.32 = 55,811.12/x
  3. Step 3: Cross multiply
    76,923.68x = 115,306.32 × 55,811.12
  4. Step 4: Simplify right side
    76,923.68x = 6,435,374,862.28
  5. Step 5: Solve for x
    x = 6,435,374,862.28/76,923.68
  6. Step 6: Final answer
    x = 83,659.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.