Home / 103,678.17-155,541.94-33,557.49

Finding the Fourth Proportional to 103,678.17, 155,541.94 and 33,557.49

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Solution

The fourth proportional to 103,678.17, 155,541.94 and 33,557.49 is: 50,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678.17 : 155,541.94 = 33,557.49 : x
  2. Step 2: Convert to fraction form
    103,678.17/155,541.94 = 33,557.49/x
  3. Step 3: Cross multiply
    103,678.17x = 155,541.94 × 33,557.49
  4. Step 4: Simplify right side
    103,678.17x = 5,219,597,096.13
  5. Step 5: Solve for x
    x = 5,219,597,096.13/103,678.17
  6. Step 6: Final answer
    x = 50,344.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.