Home / 65,623.97-90,559.01-36,945.32

Finding the Fourth Proportional to 65,623.97, 90,559.01 and 36,945.32

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Solution

The fourth proportional to 65,623.97, 90,559.01 and 36,945.32 is: 50,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,623.97 : 90,559.01 = 36,945.32 : x
  2. Step 2: Convert to fraction form
    65,623.97/90,559.01 = 36,945.32/x
  3. Step 3: Cross multiply
    65,623.97x = 90,559.01 × 36,945.32
  4. Step 4: Simplify right side
    65,623.97x = 3,345,731,242.90
  5. Step 5: Solve for x
    x = 3,345,731,242.90/65,623.97
  6. Step 6: Final answer
    x = 50,983.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.