Home / 74,040.49-102,175.89-40,048.97

Finding the Fourth Proportional to 74,040.49, 102,175.89 and 40,048.97

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Solution

The fourth proportional to 74,040.49, 102,175.89 and 40,048.97 is: 55,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,040.49 : 102,175.89 = 40,048.97 : x
  2. Step 2: Convert to fraction form
    74,040.49/102,175.89 = 40,048.97/x
  3. Step 3: Cross multiply
    74,040.49x = 102,175.89 × 40,048.97
  4. Step 4: Simplify right side
    74,040.49x = 4,092,038,717.55
  5. Step 5: Solve for x
    x = 4,092,038,717.55/74,040.49
  6. Step 6: Final answer
    x = 55,267.58

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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.