Home / 71,972.58-99,290.04-41,740.39

Finding the Fourth Proportional to 71,972.58, 99,290.04 and 41,740.39

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Solution

The fourth proportional to 71,972.58, 99,290.04 and 41,740.39 is: 57,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,972.58 : 99,290.04 = 41,740.39 : x
  2. Step 2: Convert to fraction form
    71,972.58/99,290.04 = 41,740.39/x
  3. Step 3: Cross multiply
    71,972.58x = 99,290.04 × 41,740.39
  4. Step 4: Simplify right side
    71,972.58x = 4,144,404,857.14
  5. Step 5: Solve for x
    x = 4,144,404,857.14/71,972.58
  6. Step 6: Final answer
    x = 57,583.11

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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.