Home / 96,823.78-145,360.05-74,651.24

Finding the Fourth Proportional to 96,823.78, 145,360.05 and 74,651.24

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Solution

The fourth proportional to 96,823.78, 145,360.05 and 74,651.24 is: 112,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,823.78 : 145,360.05 = 74,651.24 : x
  2. Step 2: Convert to fraction form
    96,823.78/145,360.05 = 74,651.24/x
  3. Step 3: Cross multiply
    96,823.78x = 145,360.05 × 74,651.24
  4. Step 4: Simplify right side
    96,823.78x = 10,851,307,978.96
  5. Step 5: Solve for x
    x = 10,851,307,978.96/96,823.78
  6. Step 6: Final answer
    x = 112,072.76

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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.