Home / 68,370.08-94,338.68-38,153.03

Finding the Fourth Proportional to 68,370.08, 94,338.68 and 38,153.03

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Solution

The fourth proportional to 68,370.08, 94,338.68 and 38,153.03 is: 52,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,370.08 : 94,338.68 = 38,153.03 : x
  2. Step 2: Convert to fraction form
    68,370.08/94,338.68 = 38,153.03/x
  3. Step 3: Cross multiply
    68,370.08x = 94,338.68 × 38,153.03
  4. Step 4: Simplify right side
    68,370.08x = 3,599,305,825.74
  5. Step 5: Solve for x
    x = 3,599,305,825.74/68,370.08
  6. Step 6: Final answer
    x = 52,644.46

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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.