Home / 57,164.41-78,885.84-31,670.23

Finding the Fourth Proportional to 57,164.41, 78,885.84 and 31,670.23

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Solution

The fourth proportional to 57,164.41, 78,885.84 and 31,670.23 is: 43,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,164.41 : 78,885.84 = 31,670.23 : x
  2. Step 2: Convert to fraction form
    57,164.41/78,885.84 = 31,670.23/x
  3. Step 3: Cross multiply
    57,164.41x = 78,885.84 × 31,670.23
  4. Step 4: Simplify right side
    57,164.41x = 2,498,332,696.54
  5. Step 5: Solve for x
    x = 2,498,332,696.54/57,164.41
  6. Step 6: Final answer
    x = 43,704.34

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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.