Home / 74,186.16-102,359.12-43,966.27

Finding the Fourth Proportional to 74,186.16, 102,359.12 and 43,966.27

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Solution

The fourth proportional to 74,186.16, 102,359.12 and 43,966.27 is: 60,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,186.16 : 102,359.12 = 43,966.27 : x
  2. Step 2: Convert to fraction form
    74,186.16/102,359.12 = 43,966.27/x
  3. Step 3: Cross multiply
    74,186.16x = 102,359.12 × 43,966.27
  4. Step 4: Simplify right side
    74,186.16x = 4,500,348,706.88
  5. Step 5: Solve for x
    x = 4,500,348,706.88/74,186.16
  6. Step 6: Final answer
    x = 60,662.91

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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.