Home / 84,826.96-117,060.60-47,101.12

Finding the Fourth Proportional to 84,826.96, 117,060.60 and 47,101.12

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Solution

The fourth proportional to 84,826.96, 117,060.60 and 47,101.12 is: 64,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,826.96 : 117,060.60 = 47,101.12 : x
  2. Step 2: Convert to fraction form
    84,826.96/117,060.60 = 47,101.12/x
  3. Step 3: Cross multiply
    84,826.96x = 117,060.60 × 47,101.12
  4. Step 4: Simplify right side
    84,826.96x = 5,513,685,367.87
  5. Step 5: Solve for x
    x = 5,513,685,367.87/84,826.96
  6. Step 6: Final answer
    x = 64,999.21

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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.