Home / 58,617.06-87,936.39-19,176.36

Finding the Fourth Proportional to 58,617.06, 87,936.39 and 19,176.36

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Solution

The fourth proportional to 58,617.06, 87,936.39 and 19,176.36 is: 28,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,617.06 : 87,936.39 = 19,176.36 : x
  2. Step 2: Convert to fraction form
    58,617.06/87,936.39 = 19,176.36/x
  3. Step 3: Cross multiply
    58,617.06x = 87,936.39 × 19,176.36
  4. Step 4: Simplify right side
    58,617.06x = 1,686,299,871.74
  5. Step 5: Solve for x
    x = 1,686,299,871.74/58,617.06
  6. Step 6: Final answer
    x = 28,768.07

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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.