Home / 57,291.36-79,063.44-32,142.72

Finding the Fourth Proportional to 57,291.36, 79,063.44 and 32,142.72

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Solution

The fourth proportional to 57,291.36, 79,063.44 and 32,142.72 is: 44,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.36 : 79,063.44 = 32,142.72 : x
  2. Step 2: Convert to fraction form
    57,291.36/79,063.44 = 32,142.72/x
  3. Step 3: Cross multiply
    57,291.36x = 79,063.44 × 32,142.72
  4. Step 4: Simplify right side
    57,291.36x = 2,541,314,014.16
  5. Step 5: Solve for x
    x = 2,541,314,014.16/57,291.36
  6. Step 6: Final answer
    x = 44,357.72

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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.