Home / 99,984.56-137,958.12-59,685.44

Finding the Fourth Proportional to 99,984.56, 137,958.12 and 59,685.44

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Solution

The fourth proportional to 99,984.56, 137,958.12 and 59,685.44 is: 82,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,984.56 : 137,958.12 = 59,685.44 : x
  2. Step 2: Convert to fraction form
    99,984.56/137,958.12 = 59,685.44/x
  3. Step 3: Cross multiply
    99,984.56x = 137,958.12 × 59,685.44
  4. Step 4: Simplify right side
    99,984.56x = 8,234,091,093.77
  5. Step 5: Solve for x
    x = 8,234,091,093.77/99,984.56
  6. Step 6: Final answer
    x = 82,353.63

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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.