Home / 75,358.72-103,996.35-41,370.40

Finding the Fourth Proportional to 75,358.72, 103,996.35 and 41,370.40

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Solution

The fourth proportional to 75,358.72, 103,996.35 and 41,370.40 is: 57,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,358.72 : 103,996.35 = 41,370.40 : x
  2. Step 2: Convert to fraction form
    75,358.72/103,996.35 = 41,370.40/x
  3. Step 3: Cross multiply
    75,358.72x = 103,996.35 × 41,370.40
  4. Step 4: Simplify right side
    75,358.72x = 4,302,370,598.04
  5. Step 5: Solve for x
    x = 4,302,370,598.04/75,358.72
  6. Step 6: Final answer
    x = 57,091.87

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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.