Home / 73,181.04-109,778.04-20,590.98

Finding the Fourth Proportional to 73,181.04, 109,778.04 and 20,590.98

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Solution

The fourth proportional to 73,181.04, 109,778.04 and 20,590.98 is: 30,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,181.04 : 109,778.04 = 20,590.98 : x
  2. Step 2: Convert to fraction form
    73,181.04/109,778.04 = 20,590.98/x
  3. Step 3: Cross multiply
    73,181.04x = 109,778.04 × 20,590.98
  4. Step 4: Simplify right side
    73,181.04x = 2,260,437,426.08
  5. Step 5: Solve for x
    x = 2,260,437,426.08/73,181.04
  6. Step 6: Final answer
    x = 30,888.29

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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.