Home / 65,749.97-90,734.99-35,535.29

Finding the Fourth Proportional to 65,749.97, 90,734.99 and 35,535.29

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Solution

The fourth proportional to 65,749.97, 90,734.99 and 35,535.29 is: 49,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,749.97 : 90,734.99 = 35,535.29 : x
  2. Step 2: Convert to fraction form
    65,749.97/90,734.99 = 35,535.29/x
  3. Step 3: Cross multiply
    65,749.97x = 90,734.99 × 35,535.29
  4. Step 4: Simplify right side
    65,749.97x = 3,224,293,551.45
  5. Step 5: Solve for x
    x = 3,224,293,551.45/65,749.97
  6. Step 6: Final answer
    x = 49,038.71

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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.