Home / 65,261.50-90,067.14-36,586.06

Finding the Fourth Proportional to 65,261.50, 90,067.14 and 36,586.06

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Solution

The fourth proportional to 65,261.50, 90,067.14 and 36,586.06 is: 50,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,261.50 : 90,067.14 = 36,586.06 : x
  2. Step 2: Convert to fraction form
    65,261.50/90,067.14 = 36,586.06/x
  3. Step 3: Cross multiply
    65,261.50x = 90,067.14 × 36,586.06
  4. Step 4: Simplify right side
    65,261.50x = 3,295,201,788.07
  5. Step 5: Solve for x
    x = 3,295,201,788.07/65,261.50
  6. Step 6: Final answer
    x = 50,492.28

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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.