Home / 88,917.10-133,375.65-84,834.70

Finding the Fourth Proportional to 88,917.10, 133,375.65 and 84,834.70

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Solution

The fourth proportional to 88,917.10, 133,375.65 and 84,834.70 is: 127,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,917.10 : 133,375.65 = 84,834.70 : x
  2. Step 2: Convert to fraction form
    88,917.10/133,375.65 = 84,834.70/x
  3. Step 3: Cross multiply
    88,917.10x = 133,375.65 × 84,834.70
  4. Step 4: Simplify right side
    88,917.10x = 11,314,883,255.06
  5. Step 5: Solve for x
    x = 11,314,883,255.06/88,917.10
  6. Step 6: Final answer
    x = 127,252.05

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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.