Home / 99,546.12-137,373.66-54,834.12

Finding the Fourth Proportional to 99,546.12, 137,373.66 and 54,834.12

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Solution

The fourth proportional to 99,546.12, 137,373.66 and 54,834.12 is: 75,671.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,546.12 : 137,373.66 = 54,834.12 : x
  2. Step 2: Convert to fraction form
    99,546.12/137,373.66 = 54,834.12/x
  3. Step 3: Cross multiply
    99,546.12x = 137,373.66 × 54,834.12
  4. Step 4: Simplify right side
    99,546.12x = 7,532,763,757.28
  5. Step 5: Solve for x
    x = 7,532,763,757.28/99,546.12
  6. Step 6: Final answer
    x = 75,671.09

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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.