Home / 109,181.54-150,673.46-61,436.58

Finding the Fourth Proportional to 109,181.54, 150,673.46 and 61,436.58

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Solution

The fourth proportional to 109,181.54, 150,673.46 and 61,436.58 is: 84,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,181.54 : 150,673.46 = 61,436.58 : x
  2. Step 2: Convert to fraction form
    109,181.54/150,673.46 = 61,436.58/x
  3. Step 3: Cross multiply
    109,181.54x = 150,673.46 × 61,436.58
  4. Step 4: Simplify right side
    109,181.54x = 9,256,862,079.17
  5. Step 5: Solve for x
    x = 9,256,862,079.17/109,181.54
  6. Step 6: Final answer
    x = 84,784.13

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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.