Home / 52,588.89-78,930.72-38,370.15

Finding the Fourth Proportional to 52,588.89, 78,930.72 and 38,370.15

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Solution

The fourth proportional to 52,588.89, 78,930.72 and 38,370.15 is: 57,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,588.89 : 78,930.72 = 38,370.15 : x
  2. Step 2: Convert to fraction form
    52,588.89/78,930.72 = 38,370.15/x
  3. Step 3: Cross multiply
    52,588.89x = 78,930.72 × 38,370.15
  4. Step 4: Simplify right side
    52,588.89x = 3,028,583,566.01
  5. Step 5: Solve for x
    x = 3,028,583,566.01/52,588.89
  6. Step 6: Final answer
    x = 57,589.80

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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.