Home / 45,585.48-68,378.22-36,409.80

Finding the Fourth Proportional to 45,585.48, 68,378.22 and 36,409.80

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Solution

The fourth proportional to 45,585.48, 68,378.22 and 36,409.80 is: 54,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,585.48 : 68,378.22 = 36,409.80 : x
  2. Step 2: Convert to fraction form
    45,585.48/68,378.22 = 36,409.80/x
  3. Step 3: Cross multiply
    45,585.48x = 68,378.22 × 36,409.80
  4. Step 4: Simplify right side
    45,585.48x = 2,489,637,314.56
  5. Step 5: Solve for x
    x = 2,489,637,314.56/45,585.48
  6. Step 6: Final answer
    x = 54,614.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.