Home / 78,873.26-118,312.06-32,126.54

Finding the Fourth Proportional to 78,873.26, 118,312.06 and 32,126.54

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Solution

The fourth proportional to 78,873.26, 118,312.06 and 32,126.54 is: 48,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,873.26 : 118,312.06 = 32,126.54 : x
  2. Step 2: Convert to fraction form
    78,873.26/118,312.06 = 32,126.54/x
  3. Step 3: Cross multiply
    78,873.26x = 118,312.06 × 32,126.54
  4. Step 4: Simplify right side
    78,873.26x = 3,800,957,128.07
  5. Step 5: Solve for x
    x = 3,800,957,128.07/78,873.26
  6. Step 6: Final answer
    x = 48,190.69

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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.