Home / 74,497.81-111,816.93-27,158.65

Finding the Fourth Proportional to 74,497.81, 111,816.93 and 27,158.65

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Solution

The fourth proportional to 74,497.81, 111,816.93 and 27,158.65 is: 40,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,497.81 : 111,816.93 = 27,158.65 : x
  2. Step 2: Convert to fraction form
    74,497.81/111,816.93 = 27,158.65/x
  3. Step 3: Cross multiply
    74,497.81x = 111,816.93 × 27,158.65
  4. Step 4: Simplify right side
    74,497.81x = 3,036,796,865.94
  5. Step 5: Solve for x
    x = 3,036,796,865.94/74,497.81
  6. Step 6: Final answer
    x = 40,763.57

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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.