Home / 77,243.32-115,908.81-41,704.16

Finding the Fourth Proportional to 77,243.32, 115,908.81 and 41,704.16

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Solution

The fourth proportional to 77,243.32, 115,908.81 and 41,704.16 is: 62,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,243.32 : 115,908.81 = 41,704.16 : x
  2. Step 2: Convert to fraction form
    77,243.32/115,908.81 = 41,704.16/x
  3. Step 3: Cross multiply
    77,243.32x = 115,908.81 × 41,704.16
  4. Step 4: Simplify right side
    77,243.32x = 4,833,879,349.13
  5. Step 5: Solve for x
    x = 4,833,879,349.13/77,243.32
  6. Step 6: Final answer
    x = 62,579.91

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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.