Home / 77,556.03-116,334.50-27,638.05

Finding the Fourth Proportional to 77,556.03, 116,334.50 and 27,638.05

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Solution

The fourth proportional to 77,556.03, 116,334.50 and 27,638.05 is: 41,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,556.03 : 116,334.50 = 27,638.05 : x
  2. Step 2: Convert to fraction form
    77,556.03/116,334.50 = 27,638.05/x
  3. Step 3: Cross multiply
    77,556.03x = 116,334.50 × 27,638.05
  4. Step 4: Simplify right side
    77,556.03x = 3,215,258,298.70
  5. Step 5: Solve for x
    x = 3,215,258,298.70/77,556.03
  6. Step 6: Final answer
    x = 41,457.23

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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.