Home / 55,770.09-83,253.97-47,786.64

Finding the Fourth Proportional to 55,770.09, 83,253.97 and 47,786.64

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Solution

The fourth proportional to 55,770.09, 83,253.97 and 47,786.64 is: 71,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.09 : 83,253.97 = 47,786.64 : x
  2. Step 2: Convert to fraction form
    55,770.09/83,253.97 = 47,786.64/x
  3. Step 3: Cross multiply
    55,770.09x = 83,253.97 × 47,786.64
  4. Step 4: Simplify right side
    55,770.09x = 3,978,427,492.96
  5. Step 5: Solve for x
    x = 3,978,427,492.96/55,770.09
  6. Step 6: Final answer
    x = 71,336.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.