Home / 215,487.54-323,253.18-57,731.94

Finding the Fourth Proportional to 215,487.54, 323,253.18 and 57,731.94

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Solution

The fourth proportional to 215,487.54, 323,253.18 and 57,731.94 is: 86,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,487.54 : 323,253.18 = 57,731.94 : x
  2. Step 2: Convert to fraction form
    215,487.54/323,253.18 = 57,731.94/x
  3. Step 3: Cross multiply
    215,487.54x = 323,253.18 × 57,731.94
  4. Step 4: Simplify right side
    215,487.54x = 18,662,033,192.57
  5. Step 5: Solve for x
    x = 18,662,033,192.57/215,487.54
  6. Step 6: Final answer
    x = 86,603.77

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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.