Home / 109,181.36-150,673.22-61,436.39

Finding the Fourth Proportional to 109,181.36, 150,673.22 and 61,436.39

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Solution

The fourth proportional to 109,181.36, 150,673.22 and 61,436.39 is: 84,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,181.36 : 150,673.22 = 61,436.39 : x
  2. Step 2: Convert to fraction form
    109,181.36/150,673.22 = 61,436.39/x
  3. Step 3: Cross multiply
    109,181.36x = 150,673.22 × 61,436.39
  4. Step 4: Simplify right side
    109,181.36x = 9,256,818,399.29
  5. Step 5: Solve for x
    x = 9,256,818,399.29/109,181.36
  6. Step 6: Final answer
    x = 84,783.87

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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.