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Finding the Fourth Proportional to 79,855.52, 110,199.88 and 44,045.78

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Solution

The fourth proportional to 79,855.52, 110,199.88 and 44,045.78 is: 60,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,855.52 : 110,199.88 = 44,045.78 : x
  2. Step 2: Convert to fraction form
    79,855.52/110,199.88 = 44,045.78/x
  3. Step 3: Cross multiply
    79,855.52x = 110,199.88 × 44,045.78
  4. Step 4: Simplify right side
    79,855.52x = 4,853,839,670.51
  5. Step 5: Solve for x
    x = 4,853,839,670.51/79,855.52
  6. Step 6: Final answer
    x = 60,782.77

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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.