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Finding the Fourth Proportional to 68,114.10, 93,995.55 and 37,897.86

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Solution

The fourth proportional to 68,114.10, 93,995.55 and 37,897.86 is: 52,297.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,114.10 : 93,995.55 = 37,897.86 : x
  2. Step 2: Convert to fraction form
    68,114.10/93,995.55 = 37,897.86/x
  3. Step 3: Cross multiply
    68,114.10x = 93,995.55 × 37,897.86
  4. Step 4: Simplify right side
    68,114.10x = 3,562,230,194.52
  5. Step 5: Solve for x
    x = 3,562,230,194.52/68,114.10
  6. Step 6: Final answer
    x = 52,297.99

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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.