Home / 100,266.75-138,364.08-60,002.73

Finding the Fourth Proportional to 100,266.75, 138,364.08 and 60,002.73

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Solution

The fourth proportional to 100,266.75, 138,364.08 and 60,002.73 is: 82,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,266.75 : 138,364.08 = 60,002.73 : x
  2. Step 2: Convert to fraction form
    100,266.75/138,364.08 = 60,002.73/x
  3. Step 3: Cross multiply
    100,266.75x = 138,364.08 × 60,002.73
  4. Step 4: Simplify right side
    100,266.75x = 8,302,222,533.94
  5. Step 5: Solve for x
    x = 8,302,222,533.94/100,266.75
  6. Step 6: Final answer
    x = 82,801.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.