Home / 89,013.88-122,800.02-53,185.96

Finding the Fourth Proportional to 89,013.88, 122,800.02 and 53,185.96

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Solution

The fourth proportional to 89,013.88, 122,800.02 and 53,185.96 is: 73,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,013.88 : 122,800.02 = 53,185.96 : x
  2. Step 2: Convert to fraction form
    89,013.88/122,800.02 = 53,185.96/x
  3. Step 3: Cross multiply
    89,013.88x = 122,800.02 × 53,185.96
  4. Step 4: Simplify right side
    89,013.88x = 6,531,236,951.72
  5. Step 5: Solve for x
    x = 6,531,236,951.72/89,013.88
  6. Step 6: Final answer
    x = 73,373.24

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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.