Home / 117,748.89-162,497.75-67,457.61

Finding the Fourth Proportional to 117,748.89, 162,497.75 and 67,457.61

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Solution

The fourth proportional to 117,748.89, 162,497.75 and 67,457.61 is: 93,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,748.89 : 162,497.75 = 67,457.61 : x
  2. Step 2: Convert to fraction form
    117,748.89/162,497.75 = 67,457.61/x
  3. Step 3: Cross multiply
    117,748.89x = 162,497.75 × 67,457.61
  4. Step 4: Simplify right side
    117,748.89x = 10,961,709,508.09
  5. Step 5: Solve for x
    x = 10,961,709,508.09/117,748.89
  6. Step 6: Final answer
    x = 93,093.95

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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.