Home / 45,072.72-67,561.38-15,079.41

Finding the Fourth Proportional to 45,072.72, 67,561.38 and 15,079.41

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Solution

The fourth proportional to 45,072.72, 67,561.38 and 15,079.41 is: 22,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,072.72 : 67,561.38 = 15,079.41 : x
  2. Step 2: Convert to fraction form
    45,072.72/67,561.38 = 15,079.41/x
  3. Step 3: Cross multiply
    45,072.72x = 67,561.38 × 15,079.41
  4. Step 4: Simplify right side
    45,072.72x = 1,018,785,749.19
  5. Step 5: Solve for x
    x = 1,018,785,749.19/45,072.72
  6. Step 6: Final answer
    x = 22,603.16

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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.