Home / 86,650.25-119,578.16-50,840.87

Finding the Fourth Proportional to 86,650.25, 119,578.16 and 50,840.87

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Solution

The fourth proportional to 86,650.25, 119,578.16 and 50,840.87 is: 70,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,650.25 : 119,578.16 = 50,840.87 : x
  2. Step 2: Convert to fraction form
    86,650.25/119,578.16 = 50,840.87/x
  3. Step 3: Cross multiply
    86,650.25x = 119,578.16 × 50,840.87
  4. Step 4: Simplify right side
    86,650.25x = 6,079,457,216.61
  5. Step 5: Solve for x
    x = 6,079,457,216.61/86,650.25
  6. Step 6: Final answer
    x = 70,160.88

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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.