Home / 55,316.27-76,336.34-30,165.77

Finding the Fourth Proportional to 55,316.27, 76,336.34 and 30,165.77

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Solution

The fourth proportional to 55,316.27, 76,336.34 and 30,165.77 is: 41,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316.27 : 76,336.34 = 30,165.77 : x
  2. Step 2: Convert to fraction form
    55,316.27/76,336.34 = 30,165.77/x
  3. Step 3: Cross multiply
    55,316.27x = 76,336.34 × 30,165.77
  4. Step 4: Simplify right side
    55,316.27x = 2,302,744,359.66
  5. Step 5: Solve for x
    x = 2,302,744,359.66/55,316.27
  6. Step 6: Final answer
    x = 41,628.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.