Home / 87,192.83-120,321.98-48,433.16

Finding the Fourth Proportional to 87,192.83, 120,321.98 and 48,433.16

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Solution

The fourth proportional to 87,192.83, 120,321.98 and 48,433.16 is: 66,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,192.83 : 120,321.98 = 48,433.16 : x
  2. Step 2: Convert to fraction form
    87,192.83/120,321.98 = 48,433.16/x
  3. Step 3: Cross multiply
    87,192.83x = 120,321.98 × 48,433.16
  4. Step 4: Simplify right side
    87,192.83x = 5,827,573,708.86
  5. Step 5: Solve for x
    x = 5,827,573,708.86/87,192.83
  6. Step 6: Final answer
    x = 66,835.47

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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.