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Finding the Fourth Proportional to 52,044, 78,068.16 and 15,108

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Solution

The fourth proportional to 52,044, 78,068.16 and 15,108 is: 22,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,044 : 78,068.16 = 15,108 : x
  2. Step 2: Convert to fraction form
    52,044/78,068.16 = 15,108/x
  3. Step 3: Cross multiply
    52,044x = 78,068.16 × 15,108
  4. Step 4: Simplify right side
    52,044x = 1,179,453,761.28
  5. Step 5: Solve for x
    x = 1,179,453,761.28/52,044
  6. Step 6: Final answer
    x = 22,662.63

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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.