Home / 215,746.81-323,619.94-57,975.27

Finding the Fourth Proportional to 215,746.81, 323,619.94 and 57,975.27

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Solution

The fourth proportional to 215,746.81, 323,619.94 and 57,975.27 is: 86,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,746.81 : 323,619.94 = 57,975.27 : x
  2. Step 2: Convert to fraction form
    215,746.81/323,619.94 = 57,975.27/x
  3. Step 3: Cross multiply
    215,746.81x = 323,619.94 × 57,975.27
  4. Step 4: Simplify right side
    215,746.81x = 18,761,953,398.88
  5. Step 5: Solve for x
    x = 18,761,953,398.88/215,746.81
  6. Step 6: Final answer
    x = 86,962.83

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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.