Home / 70,540.56-97,348.82-38,710.60

Finding the Fourth Proportional to 70,540.56, 97,348.82 and 38,710.60

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Solution

The fourth proportional to 70,540.56, 97,348.82 and 38,710.60 is: 53,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,540.56 : 97,348.82 = 38,710.60 : x
  2. Step 2: Convert to fraction form
    70,540.56/97,348.82 = 38,710.60/x
  3. Step 3: Cross multiply
    70,540.56x = 97,348.82 × 38,710.60
  4. Step 4: Simplify right side
    70,540.56x = 3,768,431,231.49
  5. Step 5: Solve for x
    x = 3,768,431,231.49/70,540.56
  6. Step 6: Final answer
    x = 53,422.19

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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.