Home / 43,784.36-65,685.77-14,199.89

Finding the Fourth Proportional to 43,784.36, 65,685.77 and 14,199.89

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Solution

The fourth proportional to 43,784.36, 65,685.77 and 14,199.89 is: 21,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784.36 : 65,685.77 = 14,199.89 : x
  2. Step 2: Convert to fraction form
    43,784.36/65,685.77 = 14,199.89/x
  3. Step 3: Cross multiply
    43,784.36x = 65,685.77 × 14,199.89
  4. Step 4: Simplify right side
    43,784.36x = 932,730,673.07
  5. Step 5: Solve for x
    x = 932,730,673.07/43,784.36
  6. Step 6: Final answer
    x = 21,302.83

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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.