Home / 87,633.45-131,394.02-37,018.72

Finding the Fourth Proportional to 87,633.45, 131,394.02 and 37,018.72

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Solution

The fourth proportional to 87,633.45, 131,394.02 and 37,018.72 is: 55,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,633.45 : 131,394.02 = 37,018.72 : x
  2. Step 2: Convert to fraction form
    87,633.45/131,394.02 = 37,018.72/x
  3. Step 3: Cross multiply
    87,633.45x = 131,394.02 × 37,018.72
  4. Step 4: Simplify right side
    87,633.45x = 4,864,038,436.05
  5. Step 5: Solve for x
    x = 4,864,038,436.05/87,633.45
  6. Step 6: Final answer
    x = 55,504.36

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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.