Home / 73,256.66-109,889.27-28,278.25

Finding the Fourth Proportional to 73,256.66, 109,889.27 and 28,278.25

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Solution

The fourth proportional to 73,256.66, 109,889.27 and 28,278.25 is: 42,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,256.66 : 109,889.27 = 28,278.25 : x
  2. Step 2: Convert to fraction form
    73,256.66/109,889.27 = 28,278.25/x
  3. Step 3: Cross multiply
    73,256.66x = 109,889.27 × 28,278.25
  4. Step 4: Simplify right side
    73,256.66x = 3,107,476,442.67
  5. Step 5: Solve for x
    x = 3,107,476,442.67/73,256.66
  6. Step 6: Final answer
    x = 42,419.03

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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.