Home / 74,291.92-102,522.45-40,301.08

Finding the Fourth Proportional to 74,291.92, 102,522.45 and 40,301.08

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Solution

The fourth proportional to 74,291.92, 102,522.45 and 40,301.08 is: 55,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,291.92 : 102,522.45 = 40,301.08 : x
  2. Step 2: Convert to fraction form
    74,291.92/102,522.45 = 40,301.08/x
  3. Step 3: Cross multiply
    74,291.92x = 102,522.45 × 40,301.08
  4. Step 4: Simplify right side
    74,291.92x = 4,131,765,459.25
  5. Step 5: Solve for x
    x = 4,131,765,459.25/74,291.92
  6. Step 6: Final answer
    x = 55,615.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.