Home / 86,229.14-118,963.15-63,622.04

Finding the Fourth Proportional to 86,229.14, 118,963.15 and 63,622.04

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Solution

The fourth proportional to 86,229.14, 118,963.15 and 63,622.04 is: 87,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,229.14 : 118,963.15 = 63,622.04 : x
  2. Step 2: Convert to fraction form
    86,229.14/118,963.15 = 63,622.04/x
  3. Step 3: Cross multiply
    86,229.14x = 118,963.15 × 63,622.04
  4. Step 4: Simplify right side
    86,229.14x = 7,568,677,533.96
  5. Step 5: Solve for x
    x = 7,568,677,533.96/86,229.14
  6. Step 6: Final answer
    x = 87,774.02

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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.