Home / 47,173.06-70,735.20-13,888.81

Finding the Fourth Proportional to 47,173.06, 70,735.20 and 13,888.81

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Solution

The fourth proportional to 47,173.06, 70,735.20 and 13,888.81 is: 20,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,173.06 : 70,735.20 = 13,888.81 : x
  2. Step 2: Convert to fraction form
    47,173.06/70,735.20 = 13,888.81/x
  3. Step 3: Cross multiply
    47,173.06x = 70,735.20 × 13,888.81
  4. Step 4: Simplify right side
    47,173.06x = 982,427,753.11
  5. Step 5: Solve for x
    x = 982,427,753.11/47,173.06
  6. Step 6: Final answer
    x = 20,826.03

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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.