Home / 86,074.48-118,784.32-47,837.52

Finding the Fourth Proportional to 86,074.48, 118,784.32 and 47,837.52

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Solution

The fourth proportional to 86,074.48, 118,784.32 and 47,837.52 is: 66,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,074.48 : 118,784.32 = 47,837.52 : x
  2. Step 2: Convert to fraction form
    86,074.48/118,784.32 = 47,837.52/x
  3. Step 3: Cross multiply
    86,074.48x = 118,784.32 × 47,837.52
  4. Step 4: Simplify right side
    86,074.48x = 5,682,347,283.69
  5. Step 5: Solve for x
    x = 5,682,347,283.69/86,074.48
  6. Step 6: Final answer
    x = 66,016.63

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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.