Home / 88,813.10-133,202.36-25,628.78

Finding the Fourth Proportional to 88,813.10, 133,202.36 and 25,628.78

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Solution

The fourth proportional to 88,813.10, 133,202.36 and 25,628.78 is: 38,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,813.10 : 133,202.36 = 25,628.78 : x
  2. Step 2: Convert to fraction form
    88,813.10/133,202.36 = 25,628.78/x
  3. Step 3: Cross multiply
    88,813.10x = 133,202.36 × 25,628.78
  4. Step 4: Simplify right side
    88,813.10x = 3,413,813,979.92
  5. Step 5: Solve for x
    x = 3,413,813,979.92/88,813.10
  6. Step 6: Final answer
    x = 38,438.18

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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.