Home / 77,688.03-116,556.48-27,767.10

Finding the Fourth Proportional to 77,688.03, 116,556.48 and 27,767.10

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Solution

The fourth proportional to 77,688.03, 116,556.48 and 27,767.10 is: 41,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,688.03 : 116,556.48 = 27,767.10 : x
  2. Step 2: Convert to fraction form
    77,688.03/116,556.48 = 27,767.10/x
  3. Step 3: Cross multiply
    77,688.03x = 116,556.48 × 27,767.10
  4. Step 4: Simplify right side
    77,688.03x = 3,236,435,435.81
  5. Step 5: Solve for x
    x = 3,236,435,435.81/77,688.03
  6. Step 6: Final answer
    x = 41,659.38

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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.