Home / 96,736.90-145,214.70-74,648.20

Finding the Fourth Proportional to 96,736.90, 145,214.70 and 74,648.20

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Solution

The fourth proportional to 96,736.90, 145,214.70 and 74,648.20 is: 112,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,736.90 : 145,214.70 = 74,648.20 : x
  2. Step 2: Convert to fraction form
    96,736.90/145,214.70 = 74,648.20/x
  3. Step 3: Cross multiply
    96,736.90x = 145,214.70 × 74,648.20
  4. Step 4: Simplify right side
    96,736.90x = 10,840,015,968.54
  5. Step 5: Solve for x
    x = 10,840,015,968.54/96,736.90
  6. Step 6: Final answer
    x = 112,056.68

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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.