Home / 86,406.59-119,241.34-50,115.03

Finding the Fourth Proportional to 86,406.59, 119,241.34 and 50,115.03

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Solution

The fourth proportional to 86,406.59, 119,241.34 and 50,115.03 is: 69,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,406.59 : 119,241.34 = 50,115.03 : x
  2. Step 2: Convert to fraction form
    86,406.59/119,241.34 = 50,115.03/x
  3. Step 3: Cross multiply
    86,406.59x = 119,241.34 × 50,115.03
  4. Step 4: Simplify right side
    86,406.59x = 5,975,783,235.21
  5. Step 5: Solve for x
    x = 5,975,783,235.21/86,406.59
  6. Step 6: Final answer
    x = 69,158.89

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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.