Home / 117,486.98-162,132.40-63,772.04

Finding the Fourth Proportional to 117,486.98, 162,132.40 and 63,772.04

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Solution

The fourth proportional to 117,486.98, 162,132.40 and 63,772.04 is: 88,005.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,486.98 : 162,132.40 = 63,772.04 : x
  2. Step 2: Convert to fraction form
    117,486.98/162,132.40 = 63,772.04/x
  3. Step 3: Cross multiply
    117,486.98x = 162,132.40 × 63,772.04
  4. Step 4: Simplify right side
    117,486.98x = 10,339,513,898.10
  5. Step 5: Solve for x
    x = 10,339,513,898.10/117,486.98
  6. Step 6: Final answer
    x = 88,005.61

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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.