Home / 65,741.02-90,722.59-35,933.02

Finding the Fourth Proportional to 65,741.02, 90,722.59 and 35,933.02

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Solution

The fourth proportional to 65,741.02, 90,722.59 and 35,933.02 is: 49,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,741.02 : 90,722.59 = 35,933.02 : x
  2. Step 2: Convert to fraction form
    65,741.02/90,722.59 = 35,933.02/x
  3. Step 3: Cross multiply
    65,741.02x = 90,722.59 × 35,933.02
  4. Step 4: Simplify right side
    65,741.02x = 3,259,936,640.92
  5. Step 5: Solve for x
    x = 3,259,936,640.92/65,741.02
  6. Step 6: Final answer
    x = 49,587.56

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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.