Home / 78,942.26-108,937.08-43,133.50

Finding the Fourth Proportional to 78,942.26, 108,937.08 and 43,133.50

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Solution

The fourth proportional to 78,942.26, 108,937.08 and 43,133.50 is: 59,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,942.26 : 108,937.08 = 43,133.50 : x
  2. Step 2: Convert to fraction form
    78,942.26/108,937.08 = 43,133.50/x
  3. Step 3: Cross multiply
    78,942.26x = 108,937.08 × 43,133.50
  4. Step 4: Simplify right side
    78,942.26x = 4,698,837,540.18
  5. Step 5: Solve for x
    x = 4,698,837,540.18/78,942.26
  6. Step 6: Final answer
    x = 59,522.46

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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.