Home / 104,741.76-144,542.40-68,983.68

Finding the Fourth Proportional to 104,741.76, 144,542.40 and 68,983.68

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Solution

The fourth proportional to 104,741.76, 144,542.40 and 68,983.68 is: 95,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,741.76 : 144,542.40 = 68,983.68 : x
  2. Step 2: Convert to fraction form
    104,741.76/144,542.40 = 68,983.68/x
  3. Step 3: Cross multiply
    104,741.76x = 144,542.40 × 68,983.68
  4. Step 4: Simplify right side
    104,741.76x = 9,971,066,668.03
  5. Step 5: Solve for x
    x = 9,971,066,668.03/104,741.76
  6. Step 6: Final answer
    x = 95,196.67

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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.