Home / 94,031.91-140,883.39-78,337.53

Finding the Fourth Proportional to 94,031.91, 140,883.39 and 78,337.53

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Solution

The fourth proportional to 94,031.91, 140,883.39 and 78,337.53 is: 117,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,031.91 : 140,883.39 = 78,337.53 : x
  2. Step 2: Convert to fraction form
    94,031.91/140,883.39 = 78,337.53/x
  3. Step 3: Cross multiply
    94,031.91x = 140,883.39 × 78,337.53
  4. Step 4: Simplify right side
    94,031.91x = 11,036,456,790.63
  5. Step 5: Solve for x
    x = 11,036,456,790.63/94,031.91
  6. Step 6: Final answer
    x = 117,369.27

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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.