Home / 77,798.88-116,709.12-25,191.36

Finding the Fourth Proportional to 77,798.88, 116,709.12 and 25,191.36

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Solution

The fourth proportional to 77,798.88, 116,709.12 and 25,191.36 is: 37,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,798.88 : 116,709.12 = 25,191.36 : x
  2. Step 2: Convert to fraction form
    77,798.88/116,709.12 = 25,191.36/x
  3. Step 3: Cross multiply
    77,798.88x = 116,709.12 × 25,191.36
  4. Step 4: Simplify right side
    77,798.88x = 2,940,061,457.20
  5. Step 5: Solve for x
    x = 2,940,061,457.20/77,798.88
  6. Step 6: Final answer
    x = 37,790.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.