Home / 52,629.05-78,974.69-19,372.48

Finding the Fourth Proportional to 52,629.05, 78,974.69 and 19,372.48

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Solution

The fourth proportional to 52,629.05, 78,974.69 and 19,372.48 is: 29,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,629.05 : 78,974.69 = 19,372.48 : x
  2. Step 2: Convert to fraction form
    52,629.05/78,974.69 = 19,372.48/x
  3. Step 3: Cross multiply
    52,629.05x = 78,974.69 × 19,372.48
  4. Step 4: Simplify right side
    52,629.05x = 1,529,935,602.53
  5. Step 5: Solve for x
    x = 1,529,935,602.53/52,629.05
  6. Step 6: Final answer
    x = 29,070.17

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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.