Home / 53,086.59-79,563.21-31,755.04

Finding the Fourth Proportional to 53,086.59, 79,563.21 and 31,755.04

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Solution

The fourth proportional to 53,086.59, 79,563.21 and 31,755.04 is: 47,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.59 : 79,563.21 = 31,755.04 : x
  2. Step 2: Convert to fraction form
    53,086.59/79,563.21 = 31,755.04/x
  3. Step 3: Cross multiply
    53,086.59x = 79,563.21 × 31,755.04
  4. Step 4: Simplify right side
    53,086.59x = 2,526,532,916.08
  5. Step 5: Solve for x
    x = 2,526,532,916.08/53,086.59
  6. Step 6: Final answer
    x = 47,592.67

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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.