Home / 68,222.12-102,347.75-51,588.77

Finding the Fourth Proportional to 68,222.12, 102,347.75 and 51,588.77

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Solution

The fourth proportional to 68,222.12, 102,347.75 and 51,588.77 is: 77,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,222.12 : 102,347.75 = 51,588.77 : x
  2. Step 2: Convert to fraction form
    68,222.12/102,347.75 = 51,588.77/x
  3. Step 3: Cross multiply
    68,222.12x = 102,347.75 × 51,588.77
  4. Step 4: Simplify right side
    68,222.12x = 5,279,994,152.00
  5. Step 5: Solve for x
    x = 5,279,994,152.00/68,222.12
  6. Step 6: Final answer
    x = 77,394.17

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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.