Home / 47,299.59-70,949.64-12,239.25

Finding the Fourth Proportional to 47,299.59, 70,949.64 and 12,239.25

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Solution

The fourth proportional to 47,299.59, 70,949.64 and 12,239.25 is: 18,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,299.59 : 70,949.64 = 12,239.25 : x
  2. Step 2: Convert to fraction form
    47,299.59/70,949.64 = 12,239.25/x
  3. Step 3: Cross multiply
    47,299.59x = 70,949.64 × 12,239.25
  4. Step 4: Simplify right side
    47,299.59x = 868,370,092.36
  5. Step 5: Solve for x
    x = 868,370,092.36/47,299.59
  6. Step 6: Final answer
    x = 18,358.93

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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.