Home / 43,783.92-65,685.11-14,199.45

Finding the Fourth Proportional to 43,783.92, 65,685.11 and 14,199.45

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Solution

The fourth proportional to 43,783.92, 65,685.11 and 14,199.45 is: 21,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,783.92 : 65,685.11 = 14,199.45 : x
  2. Step 2: Convert to fraction form
    43,783.92/65,685.11 = 14,199.45/x
  3. Step 3: Cross multiply
    43,783.92x = 65,685.11 × 14,199.45
  4. Step 4: Simplify right side
    43,783.92x = 932,692,567.22
  5. Step 5: Solve for x
    x = 932,692,567.22/43,783.92
  6. Step 6: Final answer
    x = 21,302.17

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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.