Home / 55,104.13-76,050.11-30,911.77

Finding the Fourth Proportional to 55,104.13, 76,050.11 and 30,911.77

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Solution

The fourth proportional to 55,104.13, 76,050.11 and 30,911.77 is: 42,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,104.13 : 76,050.11 = 30,911.77 : x
  2. Step 2: Convert to fraction form
    55,104.13/76,050.11 = 30,911.77/x
  3. Step 3: Cross multiply
    55,104.13x = 76,050.11 × 30,911.77
  4. Step 4: Simplify right side
    55,104.13x = 2,350,842,973.99
  5. Step 5: Solve for x
    x = 2,350,842,973.99/55,104.13
  6. Step 6: Final answer
    x = 42,661.83

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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.