Home / 53,318.48-79,809.96-36,580.64

Finding the Fourth Proportional to 53,318.48, 79,809.96 and 36,580.64

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Solution

The fourth proportional to 53,318.48, 79,809.96 and 36,580.64 is: 54,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318.48 : 79,809.96 = 36,580.64 : x
  2. Step 2: Convert to fraction form
    53,318.48/79,809.96 = 36,580.64/x
  3. Step 3: Cross multiply
    53,318.48x = 79,809.96 × 36,580.64
  4. Step 4: Simplify right side
    53,318.48x = 2,919,499,415.17
  5. Step 5: Solve for x
    x = 2,919,499,415.17/53,318.48
  6. Step 6: Final answer
    x = 54,755.86

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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.