Home / 57,022.07-78,687.29-31,526.95

Finding the Fourth Proportional to 57,022.07, 78,687.29 and 31,526.95

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Solution

The fourth proportional to 57,022.07, 78,687.29 and 31,526.95 is: 43,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,022.07 : 78,687.29 = 31,526.95 : x
  2. Step 2: Convert to fraction form
    57,022.07/78,687.29 = 31,526.95/x
  3. Step 3: Cross multiply
    57,022.07x = 78,687.29 × 31,526.95
  4. Step 4: Simplify right side
    57,022.07x = 2,480,770,257.47
  5. Step 5: Solve for x
    x = 2,480,770,257.47/57,022.07
  6. Step 6: Final answer
    x = 43,505.44

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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.