Home / 45,823.74-68,735.64-12,544.08

Finding the Fourth Proportional to 45,823.74, 68,735.64 and 12,544.08

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Solution

The fourth proportional to 45,823.74, 68,735.64 and 12,544.08 is: 18,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,823.74 : 68,735.64 = 12,544.08 : x
  2. Step 2: Convert to fraction form
    45,823.74/68,735.64 = 12,544.08/x
  3. Step 3: Cross multiply
    45,823.74x = 68,735.64 × 12,544.08
  4. Step 4: Simplify right side
    45,823.74x = 862,225,367.01
  5. Step 5: Solve for x
    x = 862,225,367.01/45,823.74
  6. Step 6: Final answer
    x = 18,816.13

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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.