Home / 124,822.94-187,215.94-45,918.71

Finding the Fourth Proportional to 124,822.94, 187,215.94 and 45,918.71

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Solution

The fourth proportional to 124,822.94, 187,215.94 and 45,918.71 is: 68,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,822.94 : 187,215.94 = 45,918.71 : x
  2. Step 2: Convert to fraction form
    124,822.94/187,215.94 = 45,918.71/x
  3. Step 3: Cross multiply
    124,822.94x = 187,215.94 × 45,918.71
  4. Step 4: Simplify right side
    124,822.94x = 8,596,714,279.62
  5. Step 5: Solve for x
    x = 8,596,714,279.62/124,822.94
  6. Step 6: Final answer
    x = 68,871.27

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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.