Home / 75,974.95-104,849.10-45,769.75

Finding the Fourth Proportional to 75,974.95, 104,849.10 and 45,769.75

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Solution

The fourth proportional to 75,974.95, 104,849.10 and 45,769.75 is: 63,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,974.95 : 104,849.10 = 45,769.75 : x
  2. Step 2: Convert to fraction form
    75,974.95/104,849.10 = 45,769.75/x
  3. Step 3: Cross multiply
    75,974.95x = 104,849.10 × 45,769.75
  4. Step 4: Simplify right side
    75,974.95x = 4,798,917,094.73
  5. Step 5: Solve for x
    x = 4,798,917,094.73/75,974.95
  6. Step 6: Final answer
    x = 63,164.47

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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.