Home / 101,247.10-139,709.01-55,922.37

Finding the Fourth Proportional to 101,247.10, 139,709.01 and 55,922.37

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Solution

The fourth proportional to 101,247.10, 139,709.01 and 55,922.37 is: 77,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,247.10 : 139,709.01 = 55,922.37 : x
  2. Step 2: Convert to fraction form
    101,247.10/139,709.01 = 55,922.37/x
  3. Step 3: Cross multiply
    101,247.10x = 139,709.01 × 55,922.37
  4. Step 4: Simplify right side
    101,247.10x = 7,812,859,656.87
  5. Step 5: Solve for x
    x = 7,812,859,656.87/101,247.10
  6. Step 6: Final answer
    x = 77,166.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.