Home / 68,784.36-103,182-29,341.80

Finding the Fourth Proportional to 68,784.36, 103,182 and 29,341.80

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Solution

The fourth proportional to 68,784.36, 103,182 and 29,341.80 is: 44,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,784.36 : 103,182 = 29,341.80 : x
  2. Step 2: Convert to fraction form
    68,784.36/103,182 = 29,341.80/x
  3. Step 3: Cross multiply
    68,784.36x = 103,182 × 29,341.80
  4. Step 4: Simplify right side
    68,784.36x = 3,027,545,607.60
  5. Step 5: Solve for x
    x = 3,027,545,607.60/68,784.36
  6. Step 6: Final answer
    x = 44,015.03

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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.