Home / 94,139.03-129,905.69-55,896.61

Finding the Fourth Proportional to 94,139.03, 129,905.69 and 55,896.61

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Solution

The fourth proportional to 94,139.03, 129,905.69 and 55,896.61 is: 77,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,139.03 : 129,905.69 = 55,896.61 : x
  2. Step 2: Convert to fraction form
    94,139.03/129,905.69 = 55,896.61/x
  3. Step 3: Cross multiply
    94,139.03x = 129,905.69 × 55,896.61
  4. Step 4: Simplify right side
    94,139.03x = 7,261,286,761.70
  5. Step 5: Solve for x
    x = 7,261,286,761.70/94,139.03
  6. Step 6: Final answer
    x = 77,133.65

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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.