Home / 75,740.12-104,522.10-41,749.92

Finding the Fourth Proportional to 75,740.12, 104,522.10 and 41,749.92

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Solution

The fourth proportional to 75,740.12, 104,522.10 and 41,749.92 is: 57,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,740.12 : 104,522.10 = 41,749.92 : x
  2. Step 2: Convert to fraction form
    75,740.12/104,522.10 = 41,749.92/x
  3. Step 3: Cross multiply
    75,740.12x = 104,522.10 × 41,749.92
  4. Step 4: Simplify right side
    75,740.12x = 4,363,789,313.23
  5. Step 5: Solve for x
    x = 4,363,789,313.23/75,740.12
  6. Step 6: Final answer
    x = 57,615.29

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1.5x scale

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.