Home / 53,770.77-80,666.93-30,111.96

Finding the Fourth Proportional to 53,770.77, 80,666.93 and 30,111.96

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Solution

The fourth proportional to 53,770.77, 80,666.93 and 30,111.96 is: 45,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,770.77 : 80,666.93 = 30,111.96 : x
  2. Step 2: Convert to fraction form
    53,770.77/80,666.93 = 30,111.96/x
  3. Step 3: Cross multiply
    53,770.77x = 80,666.93 × 30,111.96
  4. Step 4: Simplify right side
    53,770.77x = 2,429,039,218.92
  5. Step 5: Solve for x
    x = 2,429,039,218.92/53,770.77
  6. Step 6: Final answer
    x = 45,173.97

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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.