Home / 86,247.72-119,015.28-48,514.68

Finding the Fourth Proportional to 86,247.72, 119,015.28 and 48,514.68

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Solution

The fourth proportional to 86,247.72, 119,015.28 and 48,514.68 is: 66,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,247.72 : 119,015.28 = 48,514.68 : x
  2. Step 2: Convert to fraction form
    86,247.72/119,015.28 = 48,514.68/x
  3. Step 3: Cross multiply
    86,247.72x = 119,015.28 × 48,514.68
  4. Step 4: Simplify right side
    86,247.72x = 5,773,988,224.31
  5. Step 5: Solve for x
    x = 5,773,988,224.31/86,247.72
  6. Step 6: Final answer
    x = 66,946.56

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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.