Home / 96,822.78-145,358.55-74,650.24

Finding the Fourth Proportional to 96,822.78, 145,358.55 and 74,650.24

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Solution

The fourth proportional to 96,822.78, 145,358.55 and 74,650.24 is: 112,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,822.78 : 145,358.55 = 74,650.24 : x
  2. Step 2: Convert to fraction form
    96,822.78/145,358.55 = 74,650.24/x
  3. Step 3: Cross multiply
    96,822.78x = 145,358.55 × 74,650.24
  4. Step 4: Simplify right side
    96,822.78x = 10,851,050,825.25
  5. Step 5: Solve for x
    x = 10,851,050,825.25/96,822.78
  6. Step 6: Final answer
    x = 112,071.26

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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.