Home / 45,822.74-68,734.14-12,543.08

Finding the Fourth Proportional to 45,822.74, 68,734.14 and 12,543.08

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Solution

The fourth proportional to 45,822.74, 68,734.14 and 12,543.08 is: 18,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,822.74 : 68,734.14 = 12,543.08 : x
  2. Step 2: Convert to fraction form
    45,822.74/68,734.14 = 12,543.08/x
  3. Step 3: Cross multiply
    45,822.74x = 68,734.14 × 12,543.08
  4. Step 4: Simplify right side
    45,822.74x = 862,137,473.08
  5. Step 5: Solve for x
    x = 862,137,473.08/45,822.74
  6. Step 6: Final answer
    x = 18,814.62

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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.