Home / 65,788.97-90,788.71-35,574.21

Finding the Fourth Proportional to 65,788.97, 90,788.71 and 35,574.21

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Solution

The fourth proportional to 65,788.97, 90,788.71 and 35,574.21 is: 49,092.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,788.97 : 90,788.71 = 35,574.21 : x
  2. Step 2: Convert to fraction form
    65,788.97/90,788.71 = 35,574.21/x
  3. Step 3: Cross multiply
    65,788.97x = 90,788.71 × 35,574.21
  4. Step 4: Simplify right side
    65,788.97x = 3,229,736,819.99
  5. Step 5: Solve for x
    x = 3,229,736,819.99/65,788.97
  6. Step 6: Final answer
    x = 49,092.38

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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.