Home / 90,529.46-135,597.63-55,362.50

Finding the Fourth Proportional to 90,529.46, 135,597.63 and 55,362.50

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Solution

The fourth proportional to 90,529.46, 135,597.63 and 55,362.50 is: 82,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,529.46 : 135,597.63 = 55,362.50 : x
  2. Step 2: Convert to fraction form
    90,529.46/135,597.63 = 55,362.50/x
  3. Step 3: Cross multiply
    90,529.46x = 135,597.63 × 55,362.50
  4. Step 4: Simplify right side
    90,529.46x = 7,507,023,790.88
  5. Step 5: Solve for x
    x = 7,507,023,790.88/90,529.46
  6. Step 6: Final answer
    x = 82,923.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.