Home / 118,033.62-162,886.34-64,318.56

Finding the Fourth Proportional to 118,033.62, 162,886.34 and 64,318.56

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Solution

The fourth proportional to 118,033.62, 162,886.34 and 64,318.56 is: 88,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,033.62 : 162,886.34 = 64,318.56 : x
  2. Step 2: Convert to fraction form
    118,033.62/162,886.34 = 64,318.56/x
  3. Step 3: Cross multiply
    118,033.62x = 162,886.34 × 64,318.56
  4. Step 4: Simplify right side
    118,033.62x = 10,476,614,510.88
  5. Step 5: Solve for x
    x = 10,476,614,510.88/118,033.62
  6. Step 6: Final answer
    x = 88,759.58

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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.