Home / 117,962.90-162,795.60-88,839.12

Finding the Fourth Proportional to 117,962.90, 162,795.60 and 88,839.12

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Solution

The fourth proportional to 117,962.90, 162,795.60 and 88,839.12 is: 122,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,962.90 : 162,795.60 = 88,839.12 : x
  2. Step 2: Convert to fraction form
    117,962.90/162,795.60 = 88,839.12/x
  3. Step 3: Cross multiply
    117,962.90x = 162,795.60 × 88,839.12
  4. Step 4: Simplify right side
    117,962.90x = 14,462,617,843.87
  5. Step 5: Solve for x
    x = 14,462,617,843.87/117,962.90
  6. Step 6: Final answer
    x = 122,603.11

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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.