Home / 64,898.04-89,556.66-36,218.94

Finding the Fourth Proportional to 64,898.04, 89,556.66 and 36,218.94

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Solution

The fourth proportional to 64,898.04, 89,556.66 and 36,218.94 is: 49,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,898.04 : 89,556.66 = 36,218.94 : x
  2. Step 2: Convert to fraction form
    64,898.04/89,556.66 = 36,218.94/x
  3. Step 3: Cross multiply
    64,898.04x = 89,556.66 × 36,218.94
  4. Step 4: Simplify right side
    64,898.04x = 3,243,647,295.14
  5. Step 5: Solve for x
    x = 3,243,647,295.14/64,898.04
  6. Step 6: Final answer
    x = 49,980.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.