Home / 83,016.39-124,548.44-40,909.05

Finding the Fourth Proportional to 83,016.39, 124,548.44 and 40,909.05

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Solution

The fourth proportional to 83,016.39, 124,548.44 and 40,909.05 is: 61,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016.39 : 124,548.44 = 40,909.05 : x
  2. Step 2: Convert to fraction form
    83,016.39/124,548.44 = 40,909.05/x
  3. Step 3: Cross multiply
    83,016.39x = 124,548.44 × 40,909.05
  4. Step 4: Simplify right side
    83,016.39x = 5,095,158,154.84
  5. Step 5: Solve for x
    x = 5,095,158,154.84/83,016.39
  6. Step 6: Final answer
    x = 61,375.33

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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.