Home / 69,941.86-104,913.51-55,990.57

Finding the Fourth Proportional to 69,941.86, 104,913.51 and 55,990.57

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Solution

The fourth proportional to 69,941.86, 104,913.51 and 55,990.57 is: 83,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,941.86 : 104,913.51 = 55,990.57 : x
  2. Step 2: Convert to fraction form
    69,941.86/104,913.51 = 55,990.57/x
  3. Step 3: Cross multiply
    69,941.86x = 104,913.51 × 55,990.57
  4. Step 4: Simplify right side
    69,941.86x = 5,874,167,225.60
  5. Step 5: Solve for x
    x = 5,874,167,225.60/69,941.86
  6. Step 6: Final answer
    x = 83,986.43

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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.