Home / 89,276.85-133,923.13-33,117.57

Finding the Fourth Proportional to 89,276.85, 133,923.13 and 33,117.57

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Solution

The fourth proportional to 89,276.85, 133,923.13 and 33,117.57 is: 49,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,276.85 : 133,923.13 = 33,117.57 : x
  2. Step 2: Convert to fraction form
    89,276.85/133,923.13 = 33,117.57/x
  3. Step 3: Cross multiply
    89,276.85x = 133,923.13 × 33,117.57
  4. Step 4: Simplify right side
    89,276.85x = 4,435,207,879.98
  5. Step 5: Solve for x
    x = 4,435,207,879.98/89,276.85
  6. Step 6: Final answer
    x = 49,679.26

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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.