Home / 86,047.58-118,732.82-48,314.54

Finding the Fourth Proportional to 86,047.58, 118,732.82 and 48,314.54

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Solution

The fourth proportional to 86,047.58, 118,732.82 and 48,314.54 is: 66,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,047.58 : 118,732.82 = 48,314.54 : x
  2. Step 2: Convert to fraction form
    86,047.58/118,732.82 = 48,314.54/x
  3. Step 3: Cross multiply
    86,047.58x = 118,732.82 × 48,314.54
  4. Step 4: Simplify right side
    86,047.58x = 5,736,521,581.20
  5. Step 5: Solve for x
    x = 5,736,521,581.20/86,047.58
  6. Step 6: Final answer
    x = 66,666.86

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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.