Home / 91,626.24-137,417.22-38,289.39

Finding the Fourth Proportional to 91,626.24, 137,417.22 and 38,289.39

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Solution

The fourth proportional to 91,626.24, 137,417.22 and 38,289.39 is: 57,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,626.24 : 137,417.22 = 38,289.39 : x
  2. Step 2: Convert to fraction form
    91,626.24/137,417.22 = 38,289.39/x
  3. Step 3: Cross multiply
    91,626.24x = 137,417.22 × 38,289.39
  4. Step 4: Simplify right side
    91,626.24x = 5,261,621,529.30
  5. Step 5: Solve for x
    x = 5,261,621,529.30/91,626.24
  6. Step 6: Final answer
    x = 57,424.83

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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.