Home / 66,544.30-99,816.45-53,422.30

Finding the Fourth Proportional to 66,544.30, 99,816.45 and 53,422.30

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Solution

The fourth proportional to 66,544.30, 99,816.45 and 53,422.30 is: 80,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.30 : 99,816.45 = 53,422.30 : x
  2. Step 2: Convert to fraction form
    66,544.30/99,816.45 = 53,422.30/x
  3. Step 3: Cross multiply
    66,544.30x = 99,816.45 × 53,422.30
  4. Step 4: Simplify right side
    66,544.30x = 5,332,424,336.84
  5. Step 5: Solve for x
    x = 5,332,424,336.84/66,544.30
  6. Step 6: Final answer
    x = 80,133.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.