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Finding the Fourth Proportional to 79,075.58, 109,123.38 and 43,265.18

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Solution

The fourth proportional to 79,075.58, 109,123.38 and 43,265.18 is: 59,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,075.58 : 109,123.38 = 43,265.18 : x
  2. Step 2: Convert to fraction form
    79,075.58/109,123.38 = 43,265.18/x
  3. Step 3: Cross multiply
    79,075.58x = 109,123.38 × 43,265.18
  4. Step 4: Simplify right side
    79,075.58x = 4,721,242,677.91
  5. Step 5: Solve for x
    x = 4,721,242,677.91/79,075.58
  6. Step 6: Final answer
    x = 59,705.44

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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.