Home / 88,705.10-133,057.65-82,829.90

Finding the Fourth Proportional to 88,705.10, 133,057.65 and 82,829.90

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Solution

The fourth proportional to 88,705.10, 133,057.65 and 82,829.90 is: 124,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705.10 : 133,057.65 = 82,829.90 : x
  2. Step 2: Convert to fraction form
    88,705.10/133,057.65 = 82,829.90/x
  3. Step 3: Cross multiply
    88,705.10x = 133,057.65 × 82,829.90
  4. Step 4: Simplify right side
    88,705.10x = 11,021,151,843.74
  5. Step 5: Solve for x
    x = 11,021,151,843.74/88,705.10
  6. Step 6: Final answer
    x = 124,244.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.