Home / 55,122.49-82,695.48-31,441.33

Finding the Fourth Proportional to 55,122.49, 82,695.48 and 31,441.33

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Solution

The fourth proportional to 55,122.49, 82,695.48 and 31,441.33 is: 47,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,122.49 : 82,695.48 = 31,441.33 : x
  2. Step 2: Convert to fraction form
    55,122.49/82,695.48 = 31,441.33/x
  3. Step 3: Cross multiply
    55,122.49x = 82,695.48 × 31,441.33
  4. Step 4: Simplify right side
    55,122.49x = 2,600,055,669.45
  5. Step 5: Solve for x
    x = 2,600,055,669.45/55,122.49
  6. Step 6: Final answer
    x = 47,168.69

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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.