Home / 70,029.78-96,642.40-38,199.82

Finding the Fourth Proportional to 70,029.78, 96,642.40 and 38,199.82

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Solution

The fourth proportional to 70,029.78, 96,642.40 and 38,199.82 is: 52,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,029.78 : 96,642.40 = 38,199.82 : x
  2. Step 2: Convert to fraction form
    70,029.78/96,642.40 = 38,199.82/x
  3. Step 3: Cross multiply
    70,029.78x = 96,642.40 × 38,199.82
  4. Step 4: Simplify right side
    70,029.78x = 3,691,722,284.37
  5. Step 5: Solve for x
    x = 3,691,722,284.37/70,029.78
  6. Step 6: Final answer
    x = 52,716.46

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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.