Home / 215,856.56-323,783.76-58,072.16

Finding the Fourth Proportional to 215,856.56, 323,783.76 and 58,072.16

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Solution

The fourth proportional to 215,856.56, 323,783.76 and 58,072.16 is: 87,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,856.56 : 323,783.76 = 58,072.16 : x
  2. Step 2: Convert to fraction form
    215,856.56/323,783.76 = 58,072.16/x
  3. Step 3: Cross multiply
    215,856.56x = 323,783.76 × 58,072.16
  4. Step 4: Simplify right side
    215,856.56x = 18,802,822,316.12
  5. Step 5: Solve for x
    x = 18,802,822,316.12/215,856.56
  6. Step 6: Final answer
    x = 87,107.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.