Home / 60,318.30-83,339.38-47,668.50

Finding the Fourth Proportional to 60,318.30, 83,339.38 and 47,668.50

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Solution

The fourth proportional to 60,318.30, 83,339.38 and 47,668.50 is: 65,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,318.30 : 83,339.38 = 47,668.50 : x
  2. Step 2: Convert to fraction form
    60,318.30/83,339.38 = 47,668.50/x
  3. Step 3: Cross multiply
    60,318.30x = 83,339.38 × 47,668.50
  4. Step 4: Simplify right side
    60,318.30x = 3,972,663,295.12
  5. Step 5: Solve for x
    x = 3,972,663,295.12/60,318.30
  6. Step 6: Final answer
    x = 65,861.65

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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.