Home / 53,615.08-80,423.29-14,171.84

Finding the Fourth Proportional to 53,615.08, 80,423.29 and 14,171.84

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Solution

The fourth proportional to 53,615.08, 80,423.29 and 14,171.84 is: 21,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,615.08 : 80,423.29 = 14,171.84 : x
  2. Step 2: Convert to fraction form
    53,615.08/80,423.29 = 14,171.84/x
  3. Step 3: Cross multiply
    53,615.08x = 80,423.29 × 14,171.84
  4. Step 4: Simplify right side
    53,615.08x = 1,139,745,998.15
  5. Step 5: Solve for x
    x = 1,139,745,998.15/53,615.08
  6. Step 6: Final answer
    x = 21,257.94

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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.