Home / 55,716.12-76,803.39-47,186.82

Finding the Fourth Proportional to 55,716.12, 76,803.39 and 47,186.82

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Solution

The fourth proportional to 55,716.12, 76,803.39 and 47,186.82 is: 65,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.12 : 76,803.39 = 47,186.82 : x
  2. Step 2: Convert to fraction form
    55,716.12/76,803.39 = 47,186.82/x
  3. Step 3: Cross multiply
    55,716.12x = 76,803.39 × 47,186.82
  4. Step 4: Simplify right side
    55,716.12x = 3,624,107,739.32
  5. Step 5: Solve for x
    x = 3,624,107,739.32/55,716.12
  6. Step 6: Final answer
    x = 65,045.95

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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.