Home / 87,127.37-120,240.62-48,899.01

Finding the Fourth Proportional to 87,127.37, 120,240.62 and 48,899.01

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Solution

The fourth proportional to 87,127.37, 120,240.62 and 48,899.01 is: 67,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,127.37 : 120,240.62 = 48,899.01 : x
  2. Step 2: Convert to fraction form
    87,127.37/120,240.62 = 48,899.01/x
  3. Step 3: Cross multiply
    87,127.37x = 120,240.62 × 48,899.01
  4. Step 4: Simplify right side
    87,127.37x = 5,879,647,279.79
  5. Step 5: Solve for x
    x = 5,879,647,279.79/87,127.37
  6. Step 6: Final answer
    x = 67,483.36

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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.