Home / 73,719.38-110,513.58-28,730.32

Finding the Fourth Proportional to 73,719.38, 110,513.58 and 28,730.32

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Solution

The fourth proportional to 73,719.38, 110,513.58 and 28,730.32 is: 43,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,719.38 : 110,513.58 = 28,730.32 : x
  2. Step 2: Convert to fraction form
    73,719.38/110,513.58 = 28,730.32/x
  3. Step 3: Cross multiply
    73,719.38x = 110,513.58 × 28,730.32
  4. Step 4: Simplify right side
    73,719.38x = 3,175,090,517.75
  5. Step 5: Solve for x
    x = 3,175,090,517.75/73,719.38
  6. Step 6: Final answer
    x = 43,069.96

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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.