Home / 71,949.28-107,374.49-64,076.08

Finding the Fourth Proportional to 71,949.28, 107,374.49 and 64,076.08

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Solution

The fourth proportional to 71,949.28, 107,374.49 and 64,076.08 is: 95,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,949.28 : 107,374.49 = 64,076.08 : x
  2. Step 2: Convert to fraction form
    71,949.28/107,374.49 = 64,076.08/x
  3. Step 3: Cross multiply
    71,949.28x = 107,374.49 × 64,076.08
  4. Step 4: Simplify right side
    71,949.28x = 6,880,136,411.20
  5. Step 5: Solve for x
    x = 6,880,136,411.20/71,949.28
  6. Step 6: Final answer
    x = 95,624.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.