Home / 99,611.04-149,395.22-28,514.58

Finding the Fourth Proportional to 99,611.04, 149,395.22 and 28,514.58

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Solution

The fourth proportional to 99,611.04, 149,395.22 and 28,514.58 is: 42,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,611.04 : 149,395.22 = 28,514.58 : x
  2. Step 2: Convert to fraction form
    99,611.04/149,395.22 = 28,514.58/x
  3. Step 3: Cross multiply
    99,611.04x = 149,395.22 × 28,514.58
  4. Step 4: Simplify right side
    99,611.04x = 4,259,942,317.08
  5. Step 5: Solve for x
    x = 4,259,942,317.08/99,611.04
  6. Step 6: Final answer
    x = 42,765.76

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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.