Home / 86,507.42-119,380.65-50,697.68

Finding the Fourth Proportional to 86,507.42, 119,380.65 and 50,697.68

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Solution

The fourth proportional to 86,507.42, 119,380.65 and 50,697.68 is: 69,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,507.42 : 119,380.65 = 50,697.68 : x
  2. Step 2: Convert to fraction form
    86,507.42/119,380.65 = 50,697.68/x
  3. Step 3: Cross multiply
    86,507.42x = 119,380.65 × 50,697.68
  4. Step 4: Simplify right side
    86,507.42x = 6,052,321,991.89
  5. Step 5: Solve for x
    x = 6,052,321,991.89/86,507.42
  6. Step 6: Final answer
    x = 69,963.04

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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.