Home / 86,482.12-119,345.52-48,245.28

Finding the Fourth Proportional to 86,482.12, 119,345.52 and 48,245.28

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Solution

The fourth proportional to 86,482.12, 119,345.52 and 48,245.28 is: 66,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,482.12 : 119,345.52 = 48,245.28 : x
  2. Step 2: Convert to fraction form
    86,482.12/119,345.52 = 48,245.28/x
  3. Step 3: Cross multiply
    86,482.12x = 119,345.52 × 48,245.28
  4. Step 4: Simplify right side
    86,482.12x = 5,757,858,029.15
  5. Step 5: Solve for x
    x = 5,757,858,029.15/86,482.12
  6. Step 6: Final answer
    x = 66,578.59

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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.