Home / 77,225.70-106,563.66-43,231.98

Finding the Fourth Proportional to 77,225.70, 106,563.66 and 43,231.98

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Solution

The fourth proportional to 77,225.70, 106,563.66 and 43,231.98 is: 59,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,225.70 : 106,563.66 = 43,231.98 : x
  2. Step 2: Convert to fraction form
    77,225.70/106,563.66 = 43,231.98/x
  3. Step 3: Cross multiply
    77,225.70x = 106,563.66 × 43,231.98
  4. Step 4: Simplify right side
    77,225.70x = 4,606,958,017.85
  5. Step 5: Solve for x
    x = 4,606,958,017.85/77,225.70
  6. Step 6: Final answer
    x = 59,655.76

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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.