Home / 66,784.79-100,195.91-26,831.83

Finding the Fourth Proportional to 66,784.79, 100,195.91 and 26,831.83

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Solution

The fourth proportional to 66,784.79, 100,195.91 and 26,831.83 is: 40,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,784.79 : 100,195.91 = 26,831.83 : x
  2. Step 2: Convert to fraction form
    66,784.79/100,195.91 = 26,831.83/x
  3. Step 3: Cross multiply
    66,784.79x = 100,195.91 × 26,831.83
  4. Step 4: Simplify right side
    66,784.79x = 2,688,439,122.84
  5. Step 5: Solve for x
    x = 2,688,439,122.84/66,784.79
  6. Step 6: Final answer
    x = 40,255.26

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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.