Home / 96,816.84-145,137.78-67,248.60

Finding the Fourth Proportional to 96,816.84, 145,137.78 and 67,248.60

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Solution

The fourth proportional to 96,816.84, 145,137.78 and 67,248.60 is: 100,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,816.84 : 145,137.78 = 67,248.60 : x
  2. Step 2: Convert to fraction form
    96,816.84/145,137.78 = 67,248.60/x
  3. Step 3: Cross multiply
    96,816.84x = 145,137.78 × 67,248.60
  4. Step 4: Simplify right side
    96,816.84x = 9,760,312,512.11
  5. Step 5: Solve for x
    x = 9,760,312,512.11/96,816.84
  6. Step 6: Final answer
    x = 100,812.14

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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.