Home / 120,718.06-166,587.81-67,001.50

Finding the Fourth Proportional to 120,718.06, 166,587.81 and 67,001.50

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Solution

The fourth proportional to 120,718.06, 166,587.81 and 67,001.50 is: 92,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,718.06 : 166,587.81 = 67,001.50 : x
  2. Step 2: Convert to fraction form
    120,718.06/166,587.81 = 67,001.50/x
  3. Step 3: Cross multiply
    120,718.06x = 166,587.81 × 67,001.50
  4. Step 4: Simplify right side
    120,718.06x = 11,161,633,151.72
  5. Step 5: Solve for x
    x = 11,161,633,151.72/120,718.06
  6. Step 6: Final answer
    x = 92,460.34

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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.