Home / 70,028.36-96,635.30-39,809.49

Finding the Fourth Proportional to 70,028.36, 96,635.30 and 39,809.49

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Solution

The fourth proportional to 70,028.36, 96,635.30 and 39,809.49 is: 54,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,028.36 : 96,635.30 = 39,809.49 : x
  2. Step 2: Convert to fraction form
    70,028.36/96,635.30 = 39,809.49/x
  3. Step 3: Cross multiply
    70,028.36x = 96,635.30 × 39,809.49
  4. Step 4: Simplify right side
    70,028.36x = 3,847,001,809.95
  5. Step 5: Solve for x
    x = 3,847,001,809.95/70,028.36
  6. Step 6: Final answer
    x = 54,934.91

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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.