Home / 109,974.78-151,764.44-59,673.78

Finding the Fourth Proportional to 109,974.78, 151,764.44 and 59,673.78

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Solution

The fourth proportional to 109,974.78, 151,764.44 and 59,673.78 is: 82,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,974.78 : 151,764.44 = 59,673.78 : x
  2. Step 2: Convert to fraction form
    109,974.78/151,764.44 = 59,673.78/x
  3. Step 3: Cross multiply
    109,974.78x = 151,764.44 × 59,673.78
  4. Step 4: Simplify right side
    109,974.78x = 9,056,357,506.01
  5. Step 5: Solve for x
    x = 9,056,357,506.01/109,974.78
  6. Step 6: Final answer
    x = 82,349.40

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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.