Home / 86,219.52-118,982.40-48,494.16

Finding the Fourth Proportional to 86,219.52, 118,982.40 and 48,494.16

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Solution

The fourth proportional to 86,219.52, 118,982.40 and 48,494.16 is: 66,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,219.52 : 118,982.40 = 48,494.16 : x
  2. Step 2: Convert to fraction form
    86,219.52/118,982.40 = 48,494.16/x
  3. Step 3: Cross multiply
    86,219.52x = 118,982.40 × 48,494.16
  4. Step 4: Simplify right side
    86,219.52x = 5,769,951,542.78
  5. Step 5: Solve for x
    x = 5,769,951,542.78/86,219.52
  6. Step 6: Final answer
    x = 66,921.64

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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.