Home / 87,504.06-120,747.81-48,738.92

Finding the Fourth Proportional to 87,504.06, 120,747.81 and 48,738.92

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Solution

The fourth proportional to 87,504.06, 120,747.81 and 48,738.92 is: 67,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,504.06 : 120,747.81 = 48,738.92 : x
  2. Step 2: Convert to fraction form
    87,504.06/120,747.81 = 48,738.92/x
  3. Step 3: Cross multiply
    87,504.06x = 120,747.81 × 48,738.92
  4. Step 4: Simplify right side
    87,504.06x = 5,885,117,430.80
  5. Step 5: Solve for x
    x = 5,885,117,430.80/87,504.06
  6. Step 6: Final answer
    x = 67,255.36

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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.