Home / 87,077.70-120,180.60-48,852.72

Finding the Fourth Proportional to 87,077.70, 120,180.60 and 48,852.72

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Solution

The fourth proportional to 87,077.70, 120,180.60 and 48,852.72 is: 67,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,077.70 : 120,180.60 = 48,852.72 : x
  2. Step 2: Convert to fraction form
    87,077.70/120,180.60 = 48,852.72/x
  3. Step 3: Cross multiply
    87,077.70x = 120,180.60 × 48,852.72
  4. Step 4: Simplify right side
    87,077.70x = 5,871,149,201.23
  5. Step 5: Solve for x
    x = 5,871,149,201.23/87,077.70
  6. Step 6: Final answer
    x = 67,424.26

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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.