Home / 87,316.85-130,865.78-37,338.29

Finding the Fourth Proportional to 87,316.85, 130,865.78 and 37,338.29

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Solution

The fourth proportional to 87,316.85, 130,865.78 and 37,338.29 is: 55,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,316.85 : 130,865.78 = 37,338.29 : x
  2. Step 2: Convert to fraction form
    87,316.85/130,865.78 = 37,338.29/x
  3. Step 3: Cross multiply
    87,316.85x = 130,865.78 × 37,338.29
  4. Step 4: Simplify right side
    87,316.85x = 4,886,303,603.70
  5. Step 5: Solve for x
    x = 4,886,303,603.70/87,316.85
  6. Step 6: Final answer
    x = 55,960.61

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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.