Home / 47,043.63-70,558.14-13,755.87

Finding the Fourth Proportional to 47,043.63, 70,558.14 and 13,755.87

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Solution

The fourth proportional to 47,043.63, 70,558.14 and 13,755.87 is: 20,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,043.63 : 70,558.14 = 13,755.87 : x
  2. Step 2: Convert to fraction form
    47,043.63/70,558.14 = 13,755.87/x
  3. Step 3: Cross multiply
    47,043.63x = 70,558.14 × 13,755.87
  4. Step 4: Simplify right side
    47,043.63x = 970,588,601.28
  5. Step 5: Solve for x
    x = 970,588,601.28/47,043.63
  6. Step 6: Final answer
    x = 20,631.67

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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.