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Finding the Fourth Proportional to 78,904, 118,376.52 and 23,500

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Solution

The fourth proportional to 78,904, 118,376.52 and 23,500 is: 35,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,904 : 118,376.52 = 23,500 : x
  2. Step 2: Convert to fraction form
    78,904/118,376.52 = 23,500/x
  3. Step 3: Cross multiply
    78,904x = 118,376.52 × 23,500
  4. Step 4: Simplify right side
    78,904x = 2,781,848,220
  5. Step 5: Solve for x
    x = 2,781,848,220/78,904
  6. Step 6: Final answer
    x = 35,256.11

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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.