Home / 88,617.10-133,022.85-55,374.70

Finding the Fourth Proportional to 88,617.10, 133,022.85 and 55,374.70

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Solution

The fourth proportional to 88,617.10, 133,022.85 and 55,374.70 is: 83,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,617.10 : 133,022.85 = 55,374.70 : x
  2. Step 2: Convert to fraction form
    88,617.10/133,022.85 = 55,374.70/x
  3. Step 3: Cross multiply
    88,617.10x = 133,022.85 × 55,374.70
  4. Step 4: Simplify right side
    88,617.10x = 7,366,100,411.90
  5. Step 5: Solve for x
    x = 7,366,100,411.90/88,617.10
  6. Step 6: Final answer
    x = 83,122.79

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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.