Home / 87,370.02-120,571.47-49,644.54

Finding the Fourth Proportional to 87,370.02, 120,571.47 and 49,644.54

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Solution

The fourth proportional to 87,370.02, 120,571.47 and 49,644.54 is: 68,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,370.02 : 120,571.47 = 49,644.54 : x
  2. Step 2: Convert to fraction form
    87,370.02/120,571.47 = 49,644.54/x
  3. Step 3: Cross multiply
    87,370.02x = 120,571.47 × 49,644.54
  4. Step 4: Simplify right side
    87,370.02x = 5,985,715,165.27
  5. Step 5: Solve for x
    x = 5,985,715,165.27/87,370.02
  6. Step 6: Final answer
    x = 68,509.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.