Home / 74,186.16-102,373.56-40,651.44

Finding the Fourth Proportional to 74,186.16, 102,373.56 and 40,651.44

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Solution

The fourth proportional to 74,186.16, 102,373.56 and 40,651.44 is: 56,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,186.16 : 102,373.56 = 40,651.44 : x
  2. Step 2: Convert to fraction form
    74,186.16/102,373.56 = 40,651.44/x
  3. Step 3: Cross multiply
    74,186.16x = 102,373.56 × 40,651.44
  4. Step 4: Simplify right side
    74,186.16x = 4,161,632,631.93
  5. Step 5: Solve for x
    x = 4,161,632,631.93/74,186.16
  6. Step 6: Final answer
    x = 56,097.16

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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.