Home / 91,834.44-137,688.77-46,768.56

Finding the Fourth Proportional to 91,834.44, 137,688.77 and 46,768.56

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Solution

The fourth proportional to 91,834.44, 137,688.77 and 46,768.56 is: 70,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,834.44 : 137,688.77 = 46,768.56 : x
  2. Step 2: Convert to fraction form
    91,834.44/137,688.77 = 46,768.56/x
  3. Step 3: Cross multiply
    91,834.44x = 137,688.77 × 46,768.56
  4. Step 4: Simplify right side
    91,834.44x = 6,439,505,501.07
  5. Step 5: Solve for x
    x = 6,439,505,501.07/91,834.44
  6. Step 6: Final answer
    x = 70,120.81

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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.