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Finding the Fourth Proportional to 69,951, 104,938.08 and 27,831.48

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Solution

The fourth proportional to 69,951, 104,938.08 and 27,831.48 is: 41,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,951 : 104,938.08 = 27,831.48 : x
  2. Step 2: Convert to fraction form
    69,951/104,938.08 = 27,831.48/x
  3. Step 3: Cross multiply
    69,951x = 104,938.08 × 27,831.48
  4. Step 4: Simplify right side
    69,951x = 2,920,582,074.76
  5. Step 5: Solve for x
    x = 2,920,582,074.76/69,951
  6. Step 6: Final answer
    x = 41,751.83

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1.5x scale

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.