Home / 57,990.50-79,427.26-54,586.06

Finding the Fourth Proportional to 57,990.50, 79,427.26 and 54,586.06

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Solution

The fourth proportional to 57,990.50, 79,427.26 and 54,586.06 is: 74,764.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.50 : 79,427.26 = 54,586.06 : x
  2. Step 2: Convert to fraction form
    57,990.50/79,427.26 = 54,586.06/x
  3. Step 3: Cross multiply
    57,990.50x = 79,427.26 × 54,586.06
  4. Step 4: Simplify right side
    57,990.50x = 4,335,621,180.00
  5. Step 5: Solve for x
    x = 4,335,621,180.00/57,990.50
  6. Step 6: Final answer
    x = 74,764.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.