Home / 83,101.08-124,647.30-26,940.36

Finding the Fourth Proportional to 83,101.08, 124,647.30 and 26,940.36

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Solution

The fourth proportional to 83,101.08, 124,647.30 and 26,940.36 is: 40,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,101.08 : 124,647.30 = 26,940.36 : x
  2. Step 2: Convert to fraction form
    83,101.08/124,647.30 = 26,940.36/x
  3. Step 3: Cross multiply
    83,101.08x = 124,647.30 × 26,940.36
  4. Step 4: Simplify right side
    83,101.08x = 3,358,043,135.03
  5. Step 5: Solve for x
    x = 3,358,043,135.03/83,101.08
  6. Step 6: Final answer
    x = 40,409.14

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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.