Home / 45,810.20-68,718.66-14,648.60

Finding the Fourth Proportional to 45,810.20, 68,718.66 and 14,648.60

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Solution

The fourth proportional to 45,810.20, 68,718.66 and 14,648.60 is: 21,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,810.20 : 68,718.66 = 14,648.60 : x
  2. Step 2: Convert to fraction form
    45,810.20/68,718.66 = 14,648.60/x
  3. Step 3: Cross multiply
    45,810.20x = 68,718.66 × 14,648.60
  4. Step 4: Simplify right side
    45,810.20x = 1,006,632,162.88
  5. Step 5: Solve for x
    x = 1,006,632,162.88/45,810.20
  6. Step 6: Final answer
    x = 21,973.97

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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.