Home / 117,476.08-162,115.31-63,759.71

Finding the Fourth Proportional to 117,476.08, 162,115.31 and 63,759.71

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Solution

The fourth proportional to 117,476.08, 162,115.31 and 63,759.71 is: 87,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476.08 : 162,115.31 = 63,759.71 : x
  2. Step 2: Convert to fraction form
    117,476.08/162,115.31 = 63,759.71/x
  3. Step 3: Cross multiply
    117,476.08x = 162,115.31 × 63,759.71
  4. Step 4: Simplify right side
    117,476.08x = 10,336,425,152.16
  5. Step 5: Solve for x
    x = 10,336,425,152.16/117,476.08
  6. Step 6: Final answer
    x = 87,987.49

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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.