Home / 74,078.28-111,077.61-23,468.02

Finding the Fourth Proportional to 74,078.28, 111,077.61 and 23,468.02

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Solution

The fourth proportional to 74,078.28, 111,077.61 and 23,468.02 is: 35,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,078.28 : 111,077.61 = 23,468.02 : x
  2. Step 2: Convert to fraction form
    74,078.28/111,077.61 = 23,468.02/x
  3. Step 3: Cross multiply
    74,078.28x = 111,077.61 × 23,468.02
  4. Step 4: Simplify right side
    74,078.28x = 2,606,771,573.03
  5. Step 5: Solve for x
    x = 2,606,771,573.03/74,078.28
  6. Step 6: Final answer
    x = 35,189.42

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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.