Home / 90,369.14-135,677.93-46,025.78

Finding the Fourth Proportional to 90,369.14, 135,677.93 and 46,025.78

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Solution

The fourth proportional to 90,369.14, 135,677.93 and 46,025.78 is: 69,101.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,369.14 : 135,677.93 = 46,025.78 : x
  2. Step 2: Convert to fraction form
    90,369.14/135,677.93 = 46,025.78/x
  3. Step 3: Cross multiply
    90,369.14x = 135,677.93 × 46,025.78
  4. Step 4: Simplify right side
    90,369.14x = 6,244,682,557.04
  5. Step 5: Solve for x
    x = 6,244,682,557.04/90,369.14
  6. Step 6: Final answer
    x = 69,101.94

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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.