Home / 99,119.62-136,785.20-53,797.60

Finding the Fourth Proportional to 99,119.62, 136,785.20 and 53,797.60

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Solution

The fourth proportional to 99,119.62, 136,785.20 and 53,797.60 is: 74,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,119.62 : 136,785.20 = 53,797.60 : x
  2. Step 2: Convert to fraction form
    99,119.62/136,785.20 = 53,797.60/x
  3. Step 3: Cross multiply
    99,119.62x = 136,785.20 × 53,797.60
  4. Step 4: Simplify right side
    99,119.62x = 7,358,715,475.52
  5. Step 5: Solve for x
    x = 7,358,715,475.52/99,119.62
  6. Step 6: Final answer
    x = 74,240.76

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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.