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Finding the Fourth Proportional to 64,114.69, 88,475.87 and 36,894.98

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Solution

The fourth proportional to 64,114.69, 88,475.87 and 36,894.98 is: 50,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,114.69 : 88,475.87 = 36,894.98 : x
  2. Step 2: Convert to fraction form
    64,114.69/88,475.87 = 36,894.98/x
  3. Step 3: Cross multiply
    64,114.69x = 88,475.87 × 36,894.98
  4. Step 4: Simplify right side
    64,114.69x = 3,264,315,103.99
  5. Step 5: Solve for x
    x = 3,264,315,103.99/64,114.69
  6. Step 6: Final answer
    x = 50,913.69

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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.