Home / 117,966.94-162,792.75-67,664.86

Finding the Fourth Proportional to 117,966.94, 162,792.75 and 67,664.86

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Solution

The fourth proportional to 117,966.94, 162,792.75 and 67,664.86 is: 93,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,966.94 : 162,792.75 = 67,664.86 : x
  2. Step 2: Convert to fraction form
    117,966.94/162,792.75 = 67,664.86/x
  3. Step 3: Cross multiply
    117,966.94x = 162,792.75 × 67,664.86
  4. Step 4: Simplify right side
    117,966.94x = 11,015,348,637.77
  5. Step 5: Solve for x
    x = 11,015,348,637.77/117,966.94
  6. Step 6: Final answer
    x = 93,376.57

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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.