Home / 99,388.44-137,153.56-56,944.23

Finding the Fourth Proportional to 99,388.44, 137,153.56 and 56,944.23

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Solution

The fourth proportional to 99,388.44, 137,153.56 and 56,944.23 is: 78,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,388.44 : 137,153.56 = 56,944.23 : x
  2. Step 2: Convert to fraction form
    99,388.44/137,153.56 = 56,944.23/x
  3. Step 3: Cross multiply
    99,388.44x = 137,153.56 × 56,944.23
  4. Step 4: Simplify right side
    99,388.44x = 7,810,103,865.96
  5. Step 5: Solve for x
    x = 7,810,103,865.96/99,388.44
  6. Step 6: Final answer
    x = 78,581.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.