Home / 80,181.36-120,272.76-24,777.36

Finding the Fourth Proportional to 80,181.36, 120,272.76 and 24,777.36

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Solution

The fourth proportional to 80,181.36, 120,272.76 and 24,777.36 is: 37,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,181.36 : 120,272.76 = 24,777.36 : x
  2. Step 2: Convert to fraction form
    80,181.36/120,272.76 = 24,777.36/x
  3. Step 3: Cross multiply
    80,181.36x = 120,272.76 × 24,777.36
  4. Step 4: Simplify right side
    80,181.36x = 2,980,041,472.71
  5. Step 5: Solve for x
    x = 2,980,041,472.71/80,181.36
  6. Step 6: Final answer
    x = 37,166.26

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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.