Home / 53,709.86-80,559.12-14,270.96

Finding the Fourth Proportional to 53,709.86, 80,559.12 and 14,270.96

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Solution

The fourth proportional to 53,709.86, 80,559.12 and 14,270.96 is: 21,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,709.86 : 80,559.12 = 14,270.96 : x
  2. Step 2: Convert to fraction form
    53,709.86/80,559.12 = 14,270.96/x
  3. Step 3: Cross multiply
    53,709.86x = 80,559.12 × 14,270.96
  4. Step 4: Simplify right side
    53,709.86x = 1,149,655,979.16
  5. Step 5: Solve for x
    x = 1,149,655,979.16/53,709.86
  6. Step 6: Final answer
    x = 21,404.93

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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.