Home / 84,658.63-126,876.52-47,236.32

Finding the Fourth Proportional to 84,658.63, 126,876.52 and 47,236.32

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Solution

The fourth proportional to 84,658.63, 126,876.52 and 47,236.32 is: 70,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,658.63 : 126,876.52 = 47,236.32 : x
  2. Step 2: Convert to fraction form
    84,658.63/126,876.52 = 47,236.32/x
  3. Step 3: Cross multiply
    84,658.63x = 126,876.52 × 47,236.32
  4. Step 4: Simplify right side
    84,658.63x = 5,993,179,899.21
  5. Step 5: Solve for x
    x = 5,993,179,899.21/84,658.63
  6. Step 6: Final answer
    x = 70,792.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.