Home / 94,721.72-142,071.66-79,026.68

Finding the Fourth Proportional to 94,721.72, 142,071.66 and 79,026.68

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Solution

The fourth proportional to 94,721.72, 142,071.66 and 79,026.68 is: 118,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,721.72 : 142,071.66 = 79,026.68 : x
  2. Step 2: Convert to fraction form
    94,721.72/142,071.66 = 79,026.68/x
  3. Step 3: Cross multiply
    94,721.72x = 142,071.66 × 79,026.68
  4. Step 4: Simplify right side
    94,721.72x = 11,227,451,611.89
  5. Step 5: Solve for x
    x = 11,227,451,611.89/94,721.72
  6. Step 6: Final answer
    x = 118,530.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.