Home / 53,699.86-80,543.56-14,260.06

Finding the Fourth Proportional to 53,699.86, 80,543.56 and 14,260.06

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Solution

The fourth proportional to 53,699.86, 80,543.56 and 14,260.06 is: 21,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,699.86 : 80,543.56 = 14,260.06 : x
  2. Step 2: Convert to fraction form
    53,699.86/80,543.56 = 14,260.06/x
  3. Step 3: Cross multiply
    53,699.86x = 80,543.56 × 14,260.06
  4. Step 4: Simplify right side
    53,699.86x = 1,148,555,998.21
  5. Step 5: Solve for x
    x = 1,148,555,998.21/53,699.86
  6. Step 6: Final answer
    x = 21,388.44

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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.