Home / 57,033.06-78,710.49-33,158.22

Finding the Fourth Proportional to 57,033.06, 78,710.49 and 33,158.22

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Solution

The fourth proportional to 57,033.06, 78,710.49 and 33,158.22 is: 45,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.06 : 78,710.49 = 33,158.22 : x
  2. Step 2: Convert to fraction form
    57,033.06/78,710.49 = 33,158.22/x
  3. Step 3: Cross multiply
    57,033.06x = 78,710.49 × 33,158.22
  4. Step 4: Simplify right side
    57,033.06x = 2,609,899,743.73
  5. Step 5: Solve for x
    x = 2,609,899,743.73/57,033.06
  6. Step 6: Final answer
    x = 45,761.17

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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.