Home / 124,781.06-187,245.71-45,950.64

Finding the Fourth Proportional to 124,781.06, 187,245.71 and 45,950.64

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Solution

The fourth proportional to 124,781.06, 187,245.71 and 45,950.64 is: 68,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,781.06 : 187,245.71 = 45,950.64 : x
  2. Step 2: Convert to fraction form
    124,781.06/187,245.71 = 45,950.64/x
  3. Step 3: Cross multiply
    124,781.06x = 187,245.71 × 45,950.64
  4. Step 4: Simplify right side
    124,781.06x = 8,604,059,982.00
  5. Step 5: Solve for x
    x = 8,604,059,982.00/124,781.06
  6. Step 6: Final answer
    x = 68,953.26

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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.