Home / 58,055.26-87,121.68-21,119.26

Finding the Fourth Proportional to 58,055.26, 87,121.68 and 21,119.26

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Solution

The fourth proportional to 58,055.26, 87,121.68 and 21,119.26 is: 31,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,055.26 : 87,121.68 = 21,119.26 : x
  2. Step 2: Convert to fraction form
    58,055.26/87,121.68 = 21,119.26/x
  3. Step 3: Cross multiply
    58,055.26x = 87,121.68 × 21,119.26
  4. Step 4: Simplify right side
    58,055.26x = 1,839,945,411.56
  5. Step 5: Solve for x
    x = 1,839,945,411.56/58,055.26
  6. Step 6: Final answer
    x = 31,693.00

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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.