Home / 121,687.66-167,927.16-67,973.46

Finding the Fourth Proportional to 121,687.66, 167,927.16 and 67,973.46

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Solution

The fourth proportional to 121,687.66, 167,927.16 and 67,973.46 is: 93,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,687.66 : 167,927.16 = 67,973.46 : x
  2. Step 2: Convert to fraction form
    121,687.66/167,927.16 = 67,973.46/x
  3. Step 3: Cross multiply
    121,687.66x = 167,927.16 × 67,973.46
  4. Step 4: Simplify right side
    121,687.66x = 11,414,590,093.17
  5. Step 5: Solve for x
    x = 11,414,590,093.17/121,687.66
  6. Step 6: Final answer
    x = 93,802.36

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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.