Home / 99,453.14-137,245.35-54,741.14

Finding the Fourth Proportional to 99,453.14, 137,245.35 and 54,741.14

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Solution

The fourth proportional to 99,453.14, 137,245.35 and 54,741.14 is: 75,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,453.14 : 137,245.35 = 54,741.14 : x
  2. Step 2: Convert to fraction form
    99,453.14/137,245.35 = 54,741.14/x
  3. Step 3: Cross multiply
    99,453.14x = 137,245.35 × 54,741.14
  4. Step 4: Simplify right side
    99,453.14x = 7,512,966,918.70
  5. Step 5: Solve for x
    x = 7,512,966,918.70/99,453.14
  6. Step 6: Final answer
    x = 75,542.78

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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.