Home / 47,239.10-70,868.64-15,647.37

Finding the Fourth Proportional to 47,239.10, 70,868.64 and 15,647.37

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Solution

The fourth proportional to 47,239.10, 70,868.64 and 15,647.37 is: 23,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,239.10 : 70,868.64 = 15,647.37 : x
  2. Step 2: Convert to fraction form
    47,239.10/70,868.64 = 15,647.37/x
  3. Step 3: Cross multiply
    47,239.10x = 70,868.64 × 15,647.37
  4. Step 4: Simplify right side
    47,239.10x = 1,108,907,870.60
  5. Step 5: Solve for x
    x = 1,108,907,870.60/47,239.10
  6. Step 6: Final answer
    x = 23,474.37

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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.