Home / 113,121.52-169,704.14-42,995.37

Finding the Fourth Proportional to 113,121.52, 169,704.14 and 42,995.37

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Solution

The fourth proportional to 113,121.52, 169,704.14 and 42,995.37 is: 64,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,121.52 : 169,704.14 = 42,995.37 : x
  2. Step 2: Convert to fraction form
    113,121.52/169,704.14 = 42,995.37/x
  3. Step 3: Cross multiply
    113,121.52x = 169,704.14 × 42,995.37
  4. Step 4: Simplify right side
    113,121.52x = 7,296,492,289.83
  5. Step 5: Solve for x
    x = 7,296,492,289.83/113,121.52
  6. Step 6: Final answer
    x = 64,501.36

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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.