Home / 86,231.11-118,998.92-48,505.36

Finding the Fourth Proportional to 86,231.11, 118,998.92 and 48,505.36

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Solution

The fourth proportional to 86,231.11, 118,998.92 and 48,505.36 is: 66,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,231.11 : 118,998.92 = 48,505.36 : x
  2. Step 2: Convert to fraction form
    86,231.11/118,998.92 = 48,505.36/x
  3. Step 3: Cross multiply
    86,231.11x = 118,998.92 × 48,505.36
  4. Step 4: Simplify right side
    86,231.11x = 5,772,085,454.21
  5. Step 5: Solve for x
    x = 5,772,085,454.21/86,231.11
  6. Step 6: Final answer
    x = 66,937.39

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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.