Home / 77,228.22-106,601.22-45,406.56

Finding the Fourth Proportional to 77,228.22, 106,601.22 and 45,406.56

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Solution

The fourth proportional to 77,228.22, 106,601.22 and 45,406.56 is: 62,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,228.22 : 106,601.22 = 45,406.56 : x
  2. Step 2: Convert to fraction form
    77,228.22/106,601.22 = 45,406.56/x
  3. Step 3: Cross multiply
    77,228.22x = 106,601.22 × 45,406.56
  4. Step 4: Simplify right side
    77,228.22x = 4,840,394,692.00
  5. Step 5: Solve for x
    x = 4,840,394,692.00/77,228.22
  6. Step 6: Final answer
    x = 62,676.50

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1.5x scale

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.