Home / 86,153.10-118,873.83-50,336.19

Finding the Fourth Proportional to 86,153.10, 118,873.83 and 50,336.19

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Solution

The fourth proportional to 86,153.10, 118,873.83 and 50,336.19 is: 69,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,153.10 : 118,873.83 = 50,336.19 : x
  2. Step 2: Convert to fraction form
    86,153.10/118,873.83 = 50,336.19/x
  3. Step 3: Cross multiply
    86,153.10x = 118,873.83 × 50,336.19
  4. Step 4: Simplify right side
    86,153.10x = 5,983,655,692.91
  5. Step 5: Solve for x
    x = 5,983,655,692.91/86,153.10
  6. Step 6: Final answer
    x = 69,453.75

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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.