Home / 77,288.55-106,664.96-43,296.50

Finding the Fourth Proportional to 77,288.55, 106,664.96 and 43,296.50

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Solution

The fourth proportional to 77,288.55, 106,664.96 and 43,296.50 is: 59,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,288.55 : 106,664.96 = 43,296.50 : x
  2. Step 2: Convert to fraction form
    77,288.55/106,664.96 = 43,296.50/x
  3. Step 3: Cross multiply
    77,288.55x = 106,664.96 × 43,296.50
  4. Step 4: Simplify right side
    77,288.55x = 4,618,219,015.56
  5. Step 5: Solve for x
    x = 4,618,219,015.56/77,288.55
  6. Step 6: Final answer
    x = 59,752.95

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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.