Home / 84,727.36-127,081.32-22,402.72

Finding the Fourth Proportional to 84,727.36, 127,081.32 and 22,402.72

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Solution

The fourth proportional to 84,727.36, 127,081.32 and 22,402.72 is: 33,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,727.36 : 127,081.32 = 22,402.72 : x
  2. Step 2: Convert to fraction form
    84,727.36/127,081.32 = 22,402.72/x
  3. Step 3: Cross multiply
    84,727.36x = 127,081.32 × 22,402.72
  4. Step 4: Simplify right side
    84,727.36x = 2,846,967,229.19
  5. Step 5: Solve for x
    x = 2,846,967,229.19/84,727.36
  6. Step 6: Final answer
    x = 33,601.51

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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.