Home / 75,959.31-113,929.53-47,498.75

Finding the Fourth Proportional to 75,959.31, 113,929.53 and 47,498.75

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Solution

The fourth proportional to 75,959.31, 113,929.53 and 47,498.75 is: 71,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,959.31 : 113,929.53 = 47,498.75 : x
  2. Step 2: Convert to fraction form
    75,959.31/113,929.53 = 47,498.75/x
  3. Step 3: Cross multiply
    75,959.31x = 113,929.53 × 47,498.75
  4. Step 4: Simplify right side
    75,959.31x = 5,411,509,942.56
  5. Step 5: Solve for x
    x = 5,411,509,942.56/75,959.31
  6. Step 6: Final answer
    x = 71,242.22

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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.