Home / 74,535.36-111,803.22-21,945.48

Finding the Fourth Proportional to 74,535.36, 111,803.22 and 21,945.48

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Solution

The fourth proportional to 74,535.36, 111,803.22 and 21,945.48 is: 32,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.36 : 111,803.22 = 21,945.48 : x
  2. Step 2: Convert to fraction form
    74,535.36/111,803.22 = 21,945.48/x
  3. Step 3: Cross multiply
    74,535.36x = 111,803.22 × 21,945.48
  4. Step 4: Simplify right side
    74,535.36x = 2,453,575,328.45
  5. Step 5: Solve for x
    x = 2,453,575,328.45/74,535.36
  6. Step 6: Final answer
    x = 32,918.27

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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.