Home / 58,623.08-87,942.81-19,172.33

Finding the Fourth Proportional to 58,623.08, 87,942.81 and 19,172.33

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Solution

The fourth proportional to 58,623.08, 87,942.81 and 19,172.33 is: 28,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,623.08 : 87,942.81 = 19,172.33 : x
  2. Step 2: Convert to fraction form
    58,623.08/87,942.81 = 19,172.33/x
  3. Step 3: Cross multiply
    58,623.08x = 87,942.81 × 19,172.33
  4. Step 4: Simplify right side
    58,623.08x = 1,686,068,134.73
  5. Step 5: Solve for x
    x = 1,686,068,134.73/58,623.08
  6. Step 6: Final answer
    x = 28,761.17

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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.