Home / 75,460.20-112,898.70-49,216.20

Finding the Fourth Proportional to 75,460.20, 112,898.70 and 49,216.20

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Solution

The fourth proportional to 75,460.20, 112,898.70 and 49,216.20 is: 73,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,460.20 : 112,898.70 = 49,216.20 : x
  2. Step 2: Convert to fraction form
    75,460.20/112,898.70 = 49,216.20/x
  3. Step 3: Cross multiply
    75,460.20x = 112,898.70 × 49,216.20
  4. Step 4: Simplify right side
    75,460.20x = 5,556,444,998.94
  5. Step 5: Solve for x
    x = 5,556,444,998.94/75,460.20
  6. Step 6: Final answer
    x = 73,634.11

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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.