Home / 83,592.48-115,357.61-47,783.25

Finding the Fourth Proportional to 83,592.48, 115,357.61 and 47,783.25

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Solution

The fourth proportional to 83,592.48, 115,357.61 and 47,783.25 is: 65,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,592.48 : 115,357.61 = 47,783.25 : x
  2. Step 2: Convert to fraction form
    83,592.48/115,357.61 = 47,783.25/x
  3. Step 3: Cross multiply
    83,592.48x = 115,357.61 × 47,783.25
  4. Step 4: Simplify right side
    83,592.48x = 5,512,161,686.97
  5. Step 5: Solve for x
    x = 5,512,161,686.97/83,592.48
  6. Step 6: Final answer
    x = 65,940.88

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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.