Home / 74,344.72-111,371.28-43,114.36

Finding the Fourth Proportional to 74,344.72, 111,371.28 and 43,114.36

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Solution

The fourth proportional to 74,344.72, 111,371.28 and 43,114.36 is: 64,586.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.72 : 111,371.28 = 43,114.36 : x
  2. Step 2: Convert to fraction form
    74,344.72/111,371.28 = 43,114.36/x
  3. Step 3: Cross multiply
    74,344.72x = 111,371.28 × 43,114.36
  4. Step 4: Simplify right side
    74,344.72x = 4,801,701,459.58
  5. Step 5: Solve for x
    x = 4,801,701,459.58/74,344.72
  6. Step 6: Final answer
    x = 64,586.99

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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.