Home / 74,909.80-112,331.89-22,308.81

Finding the Fourth Proportional to 74,909.80, 112,331.89 and 22,308.81

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Solution

The fourth proportional to 74,909.80, 112,331.89 and 22,308.81 is: 33,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,909.80 : 112,331.89 = 22,308.81 : x
  2. Step 2: Convert to fraction form
    74,909.80/112,331.89 = 22,308.81/x
  3. Step 3: Cross multiply
    74,909.80x = 112,331.89 × 22,308.81
  4. Step 4: Simplify right side
    74,909.80x = 2,505,990,790.95
  5. Step 5: Solve for x
    x = 2,505,990,790.95/74,909.80
  6. Step 6: Final answer
    x = 33,453.44

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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.