Home / 45,891.23-68,861.93-17,812.40

Finding the Fourth Proportional to 45,891.23, 68,861.93 and 17,812.40

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Solution

The fourth proportional to 45,891.23, 68,861.93 and 17,812.40 is: 26,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,891.23 : 68,861.93 = 17,812.40 : x
  2. Step 2: Convert to fraction form
    45,891.23/68,861.93 = 17,812.40/x
  3. Step 3: Cross multiply
    45,891.23x = 68,861.93 × 17,812.40
  4. Step 4: Simplify right side
    45,891.23x = 1,226,595,808.56
  5. Step 5: Solve for x
    x = 1,226,595,808.56/45,891.23
  6. Step 6: Final answer
    x = 26,728.33

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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.