Home / 52,623.78-78,935.67-21,048.09

Finding the Fourth Proportional to 52,623.78, 78,935.67 and 21,048.09

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Solution

The fourth proportional to 52,623.78, 78,935.67 and 21,048.09 is: 31,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,623.78 : 78,935.67 = 21,048.09 : x
  2. Step 2: Convert to fraction form
    52,623.78/78,935.67 = 21,048.09/x
  3. Step 3: Cross multiply
    52,623.78x = 78,935.67 × 21,048.09
  4. Step 4: Simplify right side
    52,623.78x = 1,661,445,086.37
  5. Step 5: Solve for x
    x = 1,661,445,086.37/52,623.78
  6. Step 6: Final answer
    x = 31,572.14

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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.