Home / 69,827.80-104,741.70-54,256.60

Finding the Fourth Proportional to 69,827.80, 104,741.70 and 54,256.60

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Solution

The fourth proportional to 69,827.80, 104,741.70 and 54,256.60 is: 81,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,827.80 : 104,741.70 = 54,256.60 : x
  2. Step 2: Convert to fraction form
    69,827.80/104,741.70 = 54,256.60/x
  3. Step 3: Cross multiply
    69,827.80x = 104,741.70 × 54,256.60
  4. Step 4: Simplify right side
    69,827.80x = 5,682,928,520.22
  5. Step 5: Solve for x
    x = 5,682,928,520.22/69,827.80
  6. Step 6: Final answer
    x = 81,384.90

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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.