Home / 91,799.06-126,647.84-67,657.64

Finding the Fourth Proportional to 91,799.06, 126,647.84 and 67,657.64

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Solution

The fourth proportional to 91,799.06, 126,647.84 and 67,657.64 is: 93,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799.06 : 126,647.84 = 67,657.64 : x
  2. Step 2: Convert to fraction form
    91,799.06/126,647.84 = 67,657.64/x
  3. Step 3: Cross multiply
    91,799.06x = 126,647.84 × 67,657.64
  4. Step 4: Simplify right side
    91,799.06x = 8,568,692,993.97
  5. Step 5: Solve for x
    x = 8,568,692,993.97/91,799.06
  6. Step 6: Final answer
    x = 93,341.84

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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.