Home / 45,071.44-67,468.76-28,353.19

Finding the Fourth Proportional to 45,071.44, 67,468.76 and 28,353.19

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Solution

The fourth proportional to 45,071.44, 67,468.76 and 28,353.19 is: 42,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,071.44 : 67,468.76 = 28,353.19 : x
  2. Step 2: Convert to fraction form
    45,071.44/67,468.76 = 28,353.19/x
  3. Step 3: Cross multiply
    45,071.44x = 67,468.76 × 28,353.19
  4. Step 4: Simplify right side
    45,071.44x = 1,912,954,620.24
  5. Step 5: Solve for x
    x = 1,912,954,620.24/45,071.44
  6. Step 6: Final answer
    x = 42,442.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.