Home / 84,848.10-117,086.46-47,124.78

Finding the Fourth Proportional to 84,848.10, 117,086.46 and 47,124.78

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Solution

The fourth proportional to 84,848.10, 117,086.46 and 47,124.78 is: 65,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,848.10 : 117,086.46 = 47,124.78 : x
  2. Step 2: Convert to fraction form
    84,848.10/117,086.46 = 47,124.78/x
  3. Step 3: Cross multiply
    84,848.10x = 117,086.46 × 47,124.78
  4. Step 4: Simplify right side
    84,848.10x = 5,517,673,668.48
  5. Step 5: Solve for x
    x = 5,517,673,668.48/84,848.10
  6. Step 6: Final answer
    x = 65,030.02

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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.