Home / 60,113.49-90,164.16-20,673.38

Finding the Fourth Proportional to 60,113.49, 90,164.16 and 20,673.38

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Solution

The fourth proportional to 60,113.49, 90,164.16 and 20,673.38 is: 31,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,113.49 : 90,164.16 = 20,673.38 : x
  2. Step 2: Convert to fraction form
    60,113.49/90,164.16 = 20,673.38/x
  3. Step 3: Cross multiply
    60,113.49x = 90,164.16 × 20,673.38
  4. Step 4: Simplify right side
    60,113.49x = 1,863,997,491.24
  5. Step 5: Solve for x
    x = 1,863,997,491.24/60,113.49
  6. Step 6: Final answer
    x = 31,007.97

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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.