Home / 65,919.24-90,963.54-37,621.08

Finding the Fourth Proportional to 65,919.24, 90,963.54 and 37,621.08

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Solution

The fourth proportional to 65,919.24, 90,963.54 and 37,621.08 is: 51,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,919.24 : 90,963.54 = 37,621.08 : x
  2. Step 2: Convert to fraction form
    65,919.24/90,963.54 = 37,621.08/x
  3. Step 3: Cross multiply
    65,919.24x = 90,963.54 × 37,621.08
  4. Step 4: Simplify right side
    65,919.24x = 3,422,146,615.42
  5. Step 5: Solve for x
    x = 3,422,146,615.42/65,919.24
  6. Step 6: Final answer
    x = 51,914.23

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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.