Home / 45,717.20-68,575.80-14,555.60

Finding the Fourth Proportional to 45,717.20, 68,575.80 and 14,555.60

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Solution

The fourth proportional to 45,717.20, 68,575.80 and 14,555.60 is: 21,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,717.20 : 68,575.80 = 14,555.60 : x
  2. Step 2: Convert to fraction form
    45,717.20/68,575.80 = 14,555.60/x
  3. Step 3: Cross multiply
    45,717.20x = 68,575.80 × 14,555.60
  4. Step 4: Simplify right side
    45,717.20x = 998,161,914.48
  5. Step 5: Solve for x
    x = 998,161,914.48/45,717.20
  6. Step 6: Final answer
    x = 21,833.40

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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.