Home / 77,243.08-115,822.28-23,920.25

Finding the Fourth Proportional to 77,243.08, 115,822.28 and 23,920.25

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Solution

The fourth proportional to 77,243.08, 115,822.28 and 23,920.25 is: 35,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,243.08 : 115,822.28 = 23,920.25 : x
  2. Step 2: Convert to fraction form
    77,243.08/115,822.28 = 23,920.25/x
  3. Step 3: Cross multiply
    77,243.08x = 115,822.28 × 23,920.25
  4. Step 4: Simplify right side
    77,243.08x = 2,770,497,893.17
  5. Step 5: Solve for x
    x = 2,770,497,893.17/77,243.08
  6. Step 6: Final answer
    x = 35,867.27

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1.5x scale

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.