Home / 102,537.36-153,826.56-43,372.80

Finding the Fourth Proportional to 102,537.36, 153,826.56 and 43,372.80

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Solution

The fourth proportional to 102,537.36, 153,826.56 and 43,372.80 is: 65,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,537.36 : 153,826.56 = 43,372.80 : x
  2. Step 2: Convert to fraction form
    102,537.36/153,826.56 = 43,372.80/x
  3. Step 3: Cross multiply
    102,537.36x = 153,826.56 × 43,372.80
  4. Step 4: Simplify right side
    102,537.36x = 6,671,888,621.57
  5. Step 5: Solve for x
    x = 6,671,888,621.57/102,537.36
  6. Step 6: Final answer
    x = 65,067.88

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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.