Home / 109,823.78-164,673.22-43,227.80

Finding the Fourth Proportional to 109,823.78, 164,673.22 and 43,227.80

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Solution

The fourth proportional to 109,823.78, 164,673.22 and 43,227.80 is: 64,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,823.78 : 164,673.22 = 43,227.80 : x
  2. Step 2: Convert to fraction form
    109,823.78/164,673.22 = 43,227.80/x
  3. Step 3: Cross multiply
    109,823.78x = 164,673.22 × 43,227.80
  4. Step 4: Simplify right side
    109,823.78x = 7,118,461,019.52
  5. Step 5: Solve for x
    x = 7,118,461,019.52/109,823.78
  6. Step 6: Final answer
    x = 64,817.12

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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.