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Finding the Fourth Proportional to 79,566, 109,801.88 and 43,756.26

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Solution

The fourth proportional to 79,566, 109,801.88 and 43,756.26 is: 60,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,566 : 109,801.88 = 43,756.26 : x
  2. Step 2: Convert to fraction form
    79,566/109,801.88 = 43,756.26/x
  3. Step 3: Cross multiply
    79,566x = 109,801.88 × 43,756.26
  4. Step 4: Simplify right side
    79,566x = 4,804,519,609.77
  5. Step 5: Solve for x
    x = 4,804,519,609.77/79,566
  6. Step 6: Final answer
    x = 60,384.08

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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.