Home / 96,734.90-145,211.70-74,646.20

Finding the Fourth Proportional to 96,734.90, 145,211.70 and 74,646.20

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Solution

The fourth proportional to 96,734.90, 145,211.70 and 74,646.20 is: 112,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,734.90 : 145,211.70 = 74,646.20 : x
  2. Step 2: Convert to fraction form
    96,734.90/145,211.70 = 74,646.20/x
  3. Step 3: Cross multiply
    96,734.90x = 145,211.70 × 74,646.20
  4. Step 4: Simplify right side
    96,734.90x = 10,839,501,600.54
  5. Step 5: Solve for x
    x = 10,839,501,600.54/96,734.90
  6. Step 6: Final answer
    x = 112,053.68

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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.