Home / 69,943.86-104,916.52-55,992.58

Finding the Fourth Proportional to 69,943.86, 104,916.52 and 55,992.58

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Solution

The fourth proportional to 69,943.86, 104,916.52 and 55,992.58 is: 83,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,943.86 : 104,916.52 = 55,992.58 : x
  2. Step 2: Convert to fraction form
    69,943.86/104,916.52 = 55,992.58/x
  3. Step 3: Cross multiply
    69,943.86x = 104,916.52 × 55,992.58
  4. Step 4: Simplify right side
    69,943.86x = 5,874,546,639.42
  5. Step 5: Solve for x
    x = 5,874,546,639.42/69,943.86
  6. Step 6: Final answer
    x = 83,989.45

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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.