Home / 79,127.43-118,690.76-32,380.31

Finding the Fourth Proportional to 79,127.43, 118,690.76 and 32,380.31

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Solution

The fourth proportional to 79,127.43, 118,690.76 and 32,380.31 is: 48,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,127.43 : 118,690.76 = 32,380.31 : x
  2. Step 2: Convert to fraction form
    79,127.43/118,690.76 = 32,380.31/x
  3. Step 3: Cross multiply
    79,127.43x = 118,690.76 × 32,380.31
  4. Step 4: Simplify right side
    79,127.43x = 3,843,242,847.58
  5. Step 5: Solve for x
    x = 3,843,242,847.58/79,127.43
  6. Step 6: Final answer
    x = 48,570.30

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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.