Home / 57,217-78,964.32-32,071.36

Finding the Fourth Proportional to 57,217, 78,964.32 and 32,071.36

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Solution

The fourth proportional to 57,217, 78,964.32 and 32,071.36 is: 44,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217 : 78,964.32 = 32,071.36 : x
  2. Step 2: Convert to fraction form
    57,217/78,964.32 = 32,071.36/x
  3. Step 3: Cross multiply
    57,217x = 78,964.32 × 32,071.36
  4. Step 4: Simplify right side
    57,217x = 2,532,493,133.88
  5. Step 5: Solve for x
    x = 2,532,493,133.88/57,217
  6. Step 6: Final answer
    x = 44,261.20

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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.