Home / 89,119.55-122,973.31-53,296.49

Finding the Fourth Proportional to 89,119.55, 122,973.31 and 53,296.49

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Solution

The fourth proportional to 89,119.55, 122,973.31 and 53,296.49 is: 73,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,119.55 : 122,973.31 = 53,296.49 : x
  2. Step 2: Convert to fraction form
    89,119.55/122,973.31 = 53,296.49/x
  3. Step 3: Cross multiply
    89,119.55x = 122,973.31 × 53,296.49
  4. Step 4: Simplify right side
    89,119.55x = 6,554,045,786.68
  5. Step 5: Solve for x
    x = 6,554,045,786.68/89,119.55
  6. Step 6: Final answer
    x = 73,542.18

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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.