Home / 96,884.78-145,173.67-74,752.34

Finding the Fourth Proportional to 96,884.78, 145,173.67 and 74,752.34

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Solution

The fourth proportional to 96,884.78, 145,173.67 and 74,752.34 is: 112,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,884.78 : 145,173.67 = 74,752.34 : x
  2. Step 2: Convert to fraction form
    96,884.78/145,173.67 = 74,752.34/x
  3. Step 3: Cross multiply
    96,884.78x = 145,173.67 × 74,752.34
  4. Step 4: Simplify right side
    96,884.78x = 10,852,070,626.14
  5. Step 5: Solve for x
    x = 10,852,070,626.14/96,884.78
  6. Step 6: Final answer
    x = 112,010.07

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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.