Home / 45,680.58-68,555.49-19,403.76

Finding the Fourth Proportional to 45,680.58, 68,555.49 and 19,403.76

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Solution

The fourth proportional to 45,680.58, 68,555.49 and 19,403.76 is: 29,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,680.58 : 68,555.49 = 19,403.76 : x
  2. Step 2: Convert to fraction form
    45,680.58/68,555.49 = 19,403.76/x
  3. Step 3: Cross multiply
    45,680.58x = 68,555.49 × 19,403.76
  4. Step 4: Simplify right side
    45,680.58x = 1,330,234,274.64
  5. Step 5: Solve for x
    x = 1,330,234,274.64/45,680.58
  6. Step 6: Final answer
    x = 29,120.35

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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.