Home / 121,669.84-167,900.92-67,953.28

Finding the Fourth Proportional to 121,669.84, 167,900.92 and 67,953.28

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Solution

The fourth proportional to 121,669.84, 167,900.92 and 67,953.28 is: 93,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,669.84 : 167,900.92 = 67,953.28 : x
  2. Step 2: Convert to fraction form
    121,669.84/167,900.92 = 67,953.28/x
  3. Step 3: Cross multiply
    121,669.84x = 167,900.92 × 67,953.28
  4. Step 4: Simplify right side
    121,669.84x = 11,409,418,229.02
  5. Step 5: Solve for x
    x = 11,409,418,229.02/121,669.84
  6. Step 6: Final answer
    x = 93,773.59

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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.