Home / 86,388.53-119,225.82-48,151.56

Finding the Fourth Proportional to 86,388.53, 119,225.82 and 48,151.56

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Solution

The fourth proportional to 86,388.53, 119,225.82 and 48,151.56 is: 66,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,388.53 : 119,225.82 = 48,151.56 : x
  2. Step 2: Convert to fraction form
    86,388.53/119,225.82 = 48,151.56/x
  3. Step 3: Cross multiply
    86,388.53x = 119,225.82 × 48,151.56
  4. Step 4: Simplify right side
    86,388.53x = 5,740,909,852.94
  5. Step 5: Solve for x
    x = 5,740,909,852.94/86,388.53
  6. Step 6: Final answer
    x = 66,454.54

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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.