Home / 81,727.78-122,363.26-44,153.23

Finding the Fourth Proportional to 81,727.78, 122,363.26 and 44,153.23

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Solution

The fourth proportional to 81,727.78, 122,363.26 and 44,153.23 is: 66,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,727.78 : 122,363.26 = 44,153.23 : x
  2. Step 2: Convert to fraction form
    81,727.78/122,363.26 = 44,153.23/x
  3. Step 3: Cross multiply
    81,727.78x = 122,363.26 × 44,153.23
  4. Step 4: Simplify right side
    81,727.78x = 5,402,732,329.75
  5. Step 5: Solve for x
    x = 5,402,732,329.75/81,727.78
  6. Step 6: Final answer
    x = 66,106.44

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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.