Home / 86,403.44-119,243.69-48,175.38

Finding the Fourth Proportional to 86,403.44, 119,243.69 and 48,175.38

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Solution

The fourth proportional to 86,403.44, 119,243.69 and 48,175.38 is: 66,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,403.44 : 119,243.69 = 48,175.38 : x
  2. Step 2: Convert to fraction form
    86,403.44/119,243.69 = 48,175.38/x
  3. Step 3: Cross multiply
    86,403.44x = 119,243.69 × 48,175.38
  4. Step 4: Simplify right side
    86,403.44x = 5,744,609,837.48
  5. Step 5: Solve for x
    x = 5,744,609,837.48/86,403.44
  6. Step 6: Final answer
    x = 66,485.90

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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.