Home / 91,558.61-137,388.94-49,437.80

Finding the Fourth Proportional to 91,558.61, 137,388.94 and 49,437.80

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Solution

The fourth proportional to 91,558.61, 137,388.94 and 49,437.80 is: 74,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,558.61 : 137,388.94 = 49,437.80 : x
  2. Step 2: Convert to fraction form
    91,558.61/137,388.94 = 49,437.80/x
  3. Step 3: Cross multiply
    91,558.61x = 137,388.94 × 49,437.80
  4. Step 4: Simplify right side
    91,558.61x = 6,792,206,003.80
  5. Step 5: Solve for x
    x = 6,792,206,003.80/91,558.61
  6. Step 6: Final answer
    x = 74,184.25

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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.