Home / 94,789.11-142,143.97-38,591

Finding the Fourth Proportional to 94,789.11, 142,143.97 and 38,591

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Solution

The fourth proportional to 94,789.11, 142,143.97 and 38,591 is: 57,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,789.11 : 142,143.97 = 38,591 : x
  2. Step 2: Convert to fraction form
    94,789.11/142,143.97 = 38,591/x
  3. Step 3: Cross multiply
    94,789.11x = 142,143.97 × 38,591
  4. Step 4: Simplify right side
    94,789.11x = 5,485,477,946.27
  5. Step 5: Solve for x
    x = 5,485,477,946.27/94,789.11
  6. Step 6: Final answer
    x = 57,870.34

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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.