Home / 66,963.15-100,444.73-52,183.13

Finding the Fourth Proportional to 66,963.15, 100,444.73 and 52,183.13

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Solution

The fourth proportional to 66,963.15, 100,444.73 and 52,183.13 is: 78,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,963.15 : 100,444.73 = 52,183.13 : x
  2. Step 2: Convert to fraction form
    66,963.15/100,444.73 = 52,183.13/x
  3. Step 3: Cross multiply
    66,963.15x = 100,444.73 × 52,183.13
  4. Step 4: Simplify right side
    66,963.15x = 5,241,519,640.27
  5. Step 5: Solve for x
    x = 5,241,519,640.27/66,963.15
  6. Step 6: Final answer
    x = 78,274.69

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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.