Home / 55,536.75-83,111.33-45,424.61

Finding the Fourth Proportional to 55,536.75, 83,111.33 and 45,424.61

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Solution

The fourth proportional to 55,536.75, 83,111.33 and 45,424.61 is: 67,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,536.75 : 83,111.33 = 45,424.61 : x
  2. Step 2: Convert to fraction form
    55,536.75/83,111.33 = 45,424.61/x
  3. Step 3: Cross multiply
    55,536.75x = 83,111.33 × 45,424.61
  4. Step 4: Simplify right side
    55,536.75x = 3,775,299,751.83
  5. Step 5: Solve for x
    x = 3,775,299,751.83/55,536.75
  6. Step 6: Final answer
    x = 67,978.41

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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.