Home / 75,436.17-104,114.53-43,172.11

Finding the Fourth Proportional to 75,436.17, 104,114.53 and 43,172.11

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Solution

The fourth proportional to 75,436.17, 104,114.53 and 43,172.11 is: 59,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,436.17 : 104,114.53 = 43,172.11 : x
  2. Step 2: Convert to fraction form
    75,436.17/104,114.53 = 43,172.11/x
  3. Step 3: Cross multiply
    75,436.17x = 104,114.53 × 43,172.11
  4. Step 4: Simplify right side
    75,436.17x = 4,494,843,941.76
  5. Step 5: Solve for x
    x = 4,494,843,941.76/75,436.17
  6. Step 6: Final answer
    x = 59,584.73

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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.