Home / 91,322.33-126,063.61-55,523.77

Finding the Fourth Proportional to 91,322.33, 126,063.61 and 55,523.77

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Solution

The fourth proportional to 91,322.33, 126,063.61 and 55,523.77 is: 76,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,322.33 : 126,063.61 = 55,523.77 : x
  2. Step 2: Convert to fraction form
    91,322.33/126,063.61 = 55,523.77/x
  3. Step 3: Cross multiply
    91,322.33x = 126,063.61 × 55,523.77
  4. Step 4: Simplify right side
    91,322.33x = 6,999,526,433.04
  5. Step 5: Solve for x
    x = 6,999,526,433.04/91,322.33
  6. Step 6: Final answer
    x = 76,646.39

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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.