Home / 82,749.28-114,193.90-45,023.28

Finding the Fourth Proportional to 82,749.28, 114,193.90 and 45,023.28

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Solution

The fourth proportional to 82,749.28, 114,193.90 and 45,023.28 is: 62,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,749.28 : 114,193.90 = 45,023.28 : x
  2. Step 2: Convert to fraction form
    82,749.28/114,193.90 = 45,023.28/x
  3. Step 3: Cross multiply
    82,749.28x = 114,193.90 × 45,023.28
  4. Step 4: Simplify right side
    82,749.28x = 5,141,383,933.99
  5. Step 5: Solve for x
    x = 5,141,383,933.99/82,749.28
  6. Step 6: Final answer
    x = 62,132.07

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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.