Home / 121,021.02-167,006.63-67,304.89

Finding the Fourth Proportional to 121,021.02, 167,006.63 and 67,304.89

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Solution

The fourth proportional to 121,021.02, 167,006.63 and 67,304.89 is: 92,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,021.02 : 167,006.63 = 67,304.89 : x
  2. Step 2: Convert to fraction form
    121,021.02/167,006.63 = 67,304.89/x
  3. Step 3: Cross multiply
    121,021.02x = 167,006.63 × 67,304.89
  4. Step 4: Simplify right side
    121,021.02x = 11,240,362,612.17
  5. Step 5: Solve for x
    x = 11,240,362,612.17/121,021.02
  6. Step 6: Final answer
    x = 92,879.42

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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.