Home / 88,911.25-133,436.98-39,025.78

Finding the Fourth Proportional to 88,911.25, 133,436.98 and 39,025.78

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Solution

The fourth proportional to 88,911.25, 133,436.98 and 39,025.78 is: 58,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,911.25 : 133,436.98 = 39,025.78 : x
  2. Step 2: Convert to fraction form
    88,911.25/133,436.98 = 39,025.78/x
  3. Step 3: Cross multiply
    88,911.25x = 133,436.98 × 39,025.78
  4. Step 4: Simplify right side
    88,911.25x = 5,207,481,558.16
  5. Step 5: Solve for x
    x = 5,207,481,558.16/88,911.25
  6. Step 6: Final answer
    x = 58,569.44

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1.5x scale

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.