Home / 91,835.58-137,623.77-39,226.62

Finding the Fourth Proportional to 91,835.58, 137,623.77 and 39,226.62

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Solution

The fourth proportional to 91,835.58, 137,623.77 and 39,226.62 is: 58,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,835.58 : 137,623.77 = 39,226.62 : x
  2. Step 2: Convert to fraction form
    91,835.58/137,623.77 = 39,226.62/x
  3. Step 3: Cross multiply
    91,835.58x = 137,623.77 × 39,226.62
  4. Step 4: Simplify right side
    91,835.58x = 5,398,515,328.76
  5. Step 5: Solve for x
    x = 5,398,515,328.76/91,835.58
  6. Step 6: Final answer
    x = 58,784.57

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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.