Home / 81,568.48-112,539.28-47,552.89

Finding the Fourth Proportional to 81,568.48, 112,539.28 and 47,552.89

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Solution

The fourth proportional to 81,568.48, 112,539.28 and 47,552.89 is: 65,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,568.48 : 112,539.28 = 47,552.89 : x
  2. Step 2: Convert to fraction form
    81,568.48/112,539.28 = 47,552.89/x
  3. Step 3: Cross multiply
    81,568.48x = 112,539.28 × 47,552.89
  4. Step 4: Simplify right side
    81,568.48x = 5,351,568,002.52
  5. Step 5: Solve for x
    x = 5,351,568,002.52/81,568.48
  6. Step 6: Final answer
    x = 65,608.28

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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.