Home / 77,292.42-106,610.18-54,370.84

Finding the Fourth Proportional to 77,292.42, 106,610.18 and 54,370.84

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Solution

The fourth proportional to 77,292.42, 106,610.18 and 54,370.84 is: 74,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,292.42 : 106,610.18 = 54,370.84 : x
  2. Step 2: Convert to fraction form
    77,292.42/106,610.18 = 54,370.84/x
  3. Step 3: Cross multiply
    77,292.42x = 106,610.18 × 54,370.84
  4. Step 4: Simplify right side
    77,292.42x = 5,796,485,039.15
  5. Step 5: Solve for x
    x = 5,796,485,039.15/77,292.42
  6. Step 6: Final answer
    x = 74,994.22

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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.