Home / 86,959.24-120,004.20-49,240.84

Finding the Fourth Proportional to 86,959.24, 120,004.20 and 49,240.84

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Solution

The fourth proportional to 86,959.24, 120,004.20 and 49,240.84 is: 67,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,959.24 : 120,004.20 = 49,240.84 : x
  2. Step 2: Convert to fraction form
    86,959.24/120,004.20 = 49,240.84/x
  3. Step 3: Cross multiply
    86,959.24x = 120,004.20 × 49,240.84
  4. Step 4: Simplify right side
    86,959.24x = 5,909,107,611.53
  5. Step 5: Solve for x
    x = 5,909,107,611.53/86,959.24
  6. Step 6: Final answer
    x = 67,952.61

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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.