Home / 51,184.51-76,776.96-15,645.69

Finding the Fourth Proportional to 51,184.51, 76,776.96 and 15,645.69

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Solution

The fourth proportional to 51,184.51, 76,776.96 and 15,645.69 is: 23,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,184.51 : 76,776.96 = 15,645.69 : x
  2. Step 2: Convert to fraction form
    51,184.51/76,776.96 = 15,645.69/x
  3. Step 3: Cross multiply
    51,184.51x = 76,776.96 × 15,645.69
  4. Step 4: Simplify right side
    51,184.51x = 1,201,228,414.81
  5. Step 5: Solve for x
    x = 1,201,228,414.81/51,184.51
  6. Step 6: Final answer
    x = 23,468.59

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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.