Home / 109,302.12-150,837.44-61,556.28

Finding the Fourth Proportional to 109,302.12, 150,837.44 and 61,556.28

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Solution

The fourth proportional to 109,302.12, 150,837.44 and 61,556.28 is: 84,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,302.12 : 150,837.44 = 61,556.28 : x
  2. Step 2: Convert to fraction form
    109,302.12/150,837.44 = 61,556.28/x
  3. Step 3: Cross multiply
    109,302.12x = 150,837.44 × 61,556.28
  4. Step 4: Simplify right side
    109,302.12x = 9,284,991,691.12
  5. Step 5: Solve for x
    x = 9,284,991,691.12/109,302.12
  6. Step 6: Final answer
    x = 84,947.96

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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.