Home / 124,821.60-187,308.94-45,936.51

Finding the Fourth Proportional to 124,821.60, 187,308.94 and 45,936.51

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Solution

The fourth proportional to 124,821.60, 187,308.94 and 45,936.51 is: 68,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,821.60 : 187,308.94 = 45,936.51 : x
  2. Step 2: Convert to fraction form
    124,821.60/187,308.94 = 45,936.51/x
  3. Step 3: Cross multiply
    124,821.60x = 187,308.94 × 45,936.51
  4. Step 4: Simplify right side
    124,821.60x = 8,604,318,995.40
  5. Step 5: Solve for x
    x = 8,604,318,995.40/124,821.60
  6. Step 6: Final answer
    x = 68,932.93

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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.