Home / 57,627.20-79,526.51-31,788.71

Finding the Fourth Proportional to 57,627.20, 79,526.51 and 31,788.71

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Solution

The fourth proportional to 57,627.20, 79,526.51 and 31,788.71 is: 43,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,627.20 : 79,526.51 = 31,788.71 : x
  2. Step 2: Convert to fraction form
    57,627.20/79,526.51 = 31,788.71/x
  3. Step 3: Cross multiply
    57,627.20x = 79,526.51 × 31,788.71
  4. Step 4: Simplify right side
    57,627.20x = 2,528,045,441.99
  5. Step 5: Solve for x
    x = 2,528,045,441.99/57,627.20
  6. Step 6: Final answer
    x = 43,868.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.