Home / 45,514.93-68,303.36-27,931.09

Finding the Fourth Proportional to 45,514.93, 68,303.36 and 27,931.09

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Solution

The fourth proportional to 45,514.93, 68,303.36 and 27,931.09 is: 41,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,514.93 : 68,303.36 = 27,931.09 : x
  2. Step 2: Convert to fraction form
    45,514.93/68,303.36 = 27,931.09/x
  3. Step 3: Cross multiply
    45,514.93x = 68,303.36 × 27,931.09
  4. Step 4: Simplify right side
    45,514.93x = 1,907,787,155.81
  5. Step 5: Solve for x
    x = 1,907,787,155.81/45,514.93
  6. Step 6: Final answer
    x = 41,915.63

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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.