Home / 51,187.14-76,681.08-28,933.20

Finding the Fourth Proportional to 51,187.14, 76,681.08 and 28,933.20

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Solution

The fourth proportional to 51,187.14, 76,681.08 and 28,933.20 is: 43,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,187.14 : 76,681.08 = 28,933.20 : x
  2. Step 2: Convert to fraction form
    51,187.14/76,681.08 = 28,933.20/x
  3. Step 3: Cross multiply
    51,187.14x = 76,681.08 × 28,933.20
  4. Step 4: Simplify right side
    51,187.14x = 2,218,629,023.86
  5. Step 5: Solve for x
    x = 2,218,629,023.86/51,187.14
  6. Step 6: Final answer
    x = 43,343.48

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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.