Home / 99,944.89-137,910.62-64,183.34

Finding the Fourth Proportional to 99,944.89, 137,910.62 and 64,183.34

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Solution

The fourth proportional to 99,944.89, 137,910.62 and 64,183.34 is: 88,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,944.89 : 137,910.62 = 64,183.34 : x
  2. Step 2: Convert to fraction form
    99,944.89/137,910.62 = 64,183.34/x
  3. Step 3: Cross multiply
    99,944.89x = 137,910.62 × 64,183.34
  4. Step 4: Simplify right side
    99,944.89x = 8,851,564,718.31
  5. Step 5: Solve for x
    x = 8,851,564,718.31/99,944.89
  6. Step 6: Final answer
    x = 88,564.46

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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.