Home / 119,586.89-165,035.54-67,907.72

Finding the Fourth Proportional to 119,586.89, 165,035.54 and 67,907.72

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Solution

The fourth proportional to 119,586.89, 165,035.54 and 67,907.72 is: 93,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,586.89 : 165,035.54 = 67,907.72 : x
  2. Step 2: Convert to fraction form
    119,586.89/165,035.54 = 67,907.72/x
  3. Step 3: Cross multiply
    119,586.89x = 165,035.54 × 67,907.72
  4. Step 4: Simplify right side
    119,586.89x = 11,207,187,240.37
  5. Step 5: Solve for x
    x = 11,207,187,240.37/119,586.89
  6. Step 6: Final answer
    x = 93,715.85

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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.