Home / 57,055.41-85,435.49-50,707.85

Finding the Fourth Proportional to 57,055.41, 85,435.49 and 50,707.85

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Solution

The fourth proportional to 57,055.41, 85,435.49 and 50,707.85 is: 75,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,055.41 : 85,435.49 = 50,707.85 : x
  2. Step 2: Convert to fraction form
    57,055.41/85,435.49 = 50,707.85/x
  3. Step 3: Cross multiply
    57,055.41x = 85,435.49 × 50,707.85
  4. Step 4: Simplify right side
    57,055.41x = 4,332,249,711.19
  5. Step 5: Solve for x
    x = 4,332,249,711.19/57,055.41
  6. Step 6: Final answer
    x = 75,930.57

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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.