Home / 87,049.03-120,083.44-56,852.02

Finding the Fourth Proportional to 87,049.03, 120,083.44 and 56,852.02

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Solution

The fourth proportional to 87,049.03, 120,083.44 and 56,852.02 is: 78,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,049.03 : 120,083.44 = 56,852.02 : x
  2. Step 2: Convert to fraction form
    87,049.03/120,083.44 = 56,852.02/x
  3. Step 3: Cross multiply
    87,049.03x = 120,083.44 × 56,852.02
  4. Step 4: Simplify right side
    87,049.03x = 6,826,986,132.55
  5. Step 5: Solve for x
    x = 6,826,986,132.55/87,049.03
  6. Step 6: Final answer
    x = 78,426.91

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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.