Home / 101,224.24-139,690.56-55,902.14

Finding the Fourth Proportional to 101,224.24, 139,690.56 and 55,902.14

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Solution

The fourth proportional to 101,224.24, 139,690.56 and 55,902.14 is: 77,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,224.24 : 139,690.56 = 55,902.14 : x
  2. Step 2: Convert to fraction form
    101,224.24/139,690.56 = 55,902.14/x
  3. Step 3: Cross multiply
    101,224.24x = 139,690.56 × 55,902.14
  4. Step 4: Simplify right side
    101,224.24x = 7,809,001,241.80
  5. Step 5: Solve for x
    x = 7,809,001,241.80/101,224.24
  6. Step 6: Final answer
    x = 77,145.57

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1.5x scale

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.