Home / 75,749.12-104,534.54-41,758.92

Finding the Fourth Proportional to 75,749.12, 104,534.54 and 41,758.92

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Solution

The fourth proportional to 75,749.12, 104,534.54 and 41,758.92 is: 57,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,749.12 : 104,534.54 = 41,758.92 : x
  2. Step 2: Convert to fraction form
    75,749.12/104,534.54 = 41,758.92/x
  3. Step 3: Cross multiply
    75,749.12x = 104,534.54 × 41,758.92
  4. Step 4: Simplify right side
    75,749.12x = 4,365,249,493.10
  5. Step 5: Solve for x
    x = 4,365,249,493.10/75,749.12
  6. Step 6: Final answer
    x = 57,627.73

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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.