Home / 87,370.20-130,945.50-37,391.58

Finding the Fourth Proportional to 87,370.20, 130,945.50 and 37,391.58

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Solution

The fourth proportional to 87,370.20, 130,945.50 and 37,391.58 is: 56,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,370.20 : 130,945.50 = 37,391.58 : x
  2. Step 2: Convert to fraction form
    87,370.20/130,945.50 = 37,391.58/x
  3. Step 3: Cross multiply
    87,370.20x = 130,945.50 × 37,391.58
  4. Step 4: Simplify right side
    87,370.20x = 4,896,259,138.89
  5. Step 5: Solve for x
    x = 4,896,259,138.89/87,370.20
  6. Step 6: Final answer
    x = 56,040.38

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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.