Home / 57,742.19-79,739.24-54,597.35

Finding the Fourth Proportional to 57,742.19, 79,739.24 and 54,597.35

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Solution

The fourth proportional to 57,742.19, 79,739.24 and 54,597.35 is: 75,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,742.19 : 79,739.24 = 54,597.35 : x
  2. Step 2: Convert to fraction form
    57,742.19/79,739.24 = 54,597.35/x
  3. Step 3: Cross multiply
    57,742.19x = 79,739.24 × 54,597.35
  4. Step 4: Simplify right side
    57,742.19x = 4,353,550,796.32
  5. Step 5: Solve for x
    x = 4,353,550,796.32/57,742.19
  6. Step 6: Final answer
    x = 75,396.36

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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.