Home / 74,496.81-111,815.43-27,157.65

Finding the Fourth Proportional to 74,496.81, 111,815.43 and 27,157.65

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Solution

The fourth proportional to 74,496.81, 111,815.43 and 27,157.65 is: 40,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,496.81 : 111,815.43 = 27,157.65 : x
  2. Step 2: Convert to fraction form
    74,496.81/111,815.43 = 27,157.65/x
  3. Step 3: Cross multiply
    74,496.81x = 111,815.43 × 27,157.65
  4. Step 4: Simplify right side
    74,496.81x = 3,036,644,312.54
  5. Step 5: Solve for x
    x = 3,036,644,312.54/74,496.81
  6. Step 6: Final answer
    x = 40,762.07

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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.