Home / 74,648.03-111,960.48-40,930.64

Finding the Fourth Proportional to 74,648.03, 111,960.48 and 40,930.64

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Solution

The fourth proportional to 74,648.03, 111,960.48 and 40,930.64 is: 61,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,648.03 : 111,960.48 = 40,930.64 : x
  2. Step 2: Convert to fraction form
    74,648.03/111,960.48 = 40,930.64/x
  3. Step 3: Cross multiply
    74,648.03x = 111,960.48 × 40,930.64
  4. Step 4: Simplify right side
    74,648.03x = 4,582,613,541.30
  5. Step 5: Solve for x
    x = 4,582,613,541.30/74,648.03
  6. Step 6: Final answer
    x = 61,389.62

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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.