Home / 43,276.86-64,876.80-16,999.92

Finding the Fourth Proportional to 43,276.86, 64,876.80 and 16,999.92

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Solution

The fourth proportional to 43,276.86, 64,876.80 and 16,999.92 is: 25,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,276.86 : 64,876.80 = 16,999.92 : x
  2. Step 2: Convert to fraction form
    43,276.86/64,876.80 = 16,999.92/x
  3. Step 3: Cross multiply
    43,276.86x = 64,876.80 × 16,999.92
  4. Step 4: Simplify right side
    43,276.86x = 1,102,900,409.86
  5. Step 5: Solve for x
    x = 1,102,900,409.86/43,276.86
  6. Step 6: Final answer
    x = 25,484.76

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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.