Home / 55,838.53-83,756.47-13,718.54

Finding the Fourth Proportional to 55,838.53, 83,756.47 and 13,718.54

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Solution

The fourth proportional to 55,838.53, 83,756.47 and 13,718.54 is: 20,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,838.53 : 83,756.47 = 13,718.54 : x
  2. Step 2: Convert to fraction form
    55,838.53/83,756.47 = 13,718.54/x
  3. Step 3: Cross multiply
    55,838.53x = 83,756.47 × 13,718.54
  4. Step 4: Simplify right side
    55,838.53x = 1,149,015,996.58
  5. Step 5: Solve for x
    x = 1,149,015,996.58/55,838.53
  6. Step 6: Final answer
    x = 20,577.48

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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.