Home / 74,256.78-111,359.24-29,872.02

Finding the Fourth Proportional to 74,256.78, 111,359.24 and 29,872.02

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Solution

The fourth proportional to 74,256.78, 111,359.24 and 29,872.02 is: 44,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256.78 : 111,359.24 = 29,872.02 : x
  2. Step 2: Convert to fraction form
    74,256.78/111,359.24 = 29,872.02/x
  3. Step 3: Cross multiply
    74,256.78x = 111,359.24 × 29,872.02
  4. Step 4: Simplify right side
    74,256.78x = 3,326,525,444.46
  5. Step 5: Solve for x
    x = 3,326,525,444.46/74,256.78
  6. Step 6: Final answer
    x = 44,797.60

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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.