Home / 60,122.09-90,195.44-20,674.08

Finding the Fourth Proportional to 60,122.09, 90,195.44 and 20,674.08

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Solution

The fourth proportional to 60,122.09, 90,195.44 and 20,674.08 is: 31,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,122.09 : 90,195.44 = 20,674.08 : x
  2. Step 2: Convert to fraction form
    60,122.09/90,195.44 = 20,674.08/x
  3. Step 3: Cross multiply
    60,122.09x = 90,195.44 × 20,674.08
  4. Step 4: Simplify right side
    60,122.09x = 1,864,707,638.82
  5. Step 5: Solve for x
    x = 1,864,707,638.82/60,122.09
  6. Step 6: Final answer
    x = 31,015.35

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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.