Home / 65,760.60-90,727.44-37,446.24

Finding the Fourth Proportional to 65,760.60, 90,727.44 and 37,446.24

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Solution

The fourth proportional to 65,760.60, 90,727.44 and 37,446.24 is: 51,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,760.60 : 90,727.44 = 37,446.24 : x
  2. Step 2: Convert to fraction form
    65,760.60/90,727.44 = 37,446.24/x
  3. Step 3: Cross multiply
    65,760.60x = 90,727.44 × 37,446.24
  4. Step 4: Simplify right side
    65,760.60x = 3,397,401,492.83
  5. Step 5: Solve for x
    x = 3,397,401,492.83/65,760.60
  6. Step 6: Final answer
    x = 51,663.18

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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.