Home / 77,416.32-115,927.44-51,041.04

Finding the Fourth Proportional to 77,416.32, 115,927.44 and 51,041.04

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Solution

The fourth proportional to 77,416.32, 115,927.44 and 51,041.04 is: 76,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,416.32 : 115,927.44 = 51,041.04 : x
  2. Step 2: Convert to fraction form
    77,416.32/115,927.44 = 51,041.04/x
  3. Step 3: Cross multiply
    77,416.32x = 115,927.44 × 51,041.04
  4. Step 4: Simplify right side
    77,416.32x = 5,917,057,102.14
  5. Step 5: Solve for x
    x = 5,917,057,102.14/77,416.32
  6. Step 6: Final answer
    x = 76,431.65

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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.