Home / 74,047.56-102,185.34-40,056.06

Finding the Fourth Proportional to 74,047.56, 102,185.34 and 40,056.06

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Solution

The fourth proportional to 74,047.56, 102,185.34 and 40,056.06 is: 55,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047.56 : 102,185.34 = 40,056.06 : x
  2. Step 2: Convert to fraction form
    74,047.56/102,185.34 = 40,056.06/x
  3. Step 3: Cross multiply
    74,047.56x = 102,185.34 × 40,056.06
  4. Step 4: Simplify right side
    74,047.56x = 4,093,142,110.16
  5. Step 5: Solve for x
    x = 4,093,142,110.16/74,047.56
  6. Step 6: Final answer
    x = 55,277.20

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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.