Home / 69,515.29-104,273.46-45,519.79

Finding the Fourth Proportional to 69,515.29, 104,273.46 and 45,519.79

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Solution

The fourth proportional to 69,515.29, 104,273.46 and 45,519.79 is: 68,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,515.29 : 104,273.46 = 45,519.79 : x
  2. Step 2: Convert to fraction form
    69,515.29/104,273.46 = 45,519.79/x
  3. Step 3: Cross multiply
    69,515.29x = 104,273.46 × 45,519.79
  4. Step 4: Simplify right side
    69,515.29x = 4,746,506,001.77
  5. Step 5: Solve for x
    x = 4,746,506,001.77/69,515.29
  6. Step 6: Final answer
    x = 68,280.03

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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.