Home / 83,362.38-125,043.77-21,032.88

Finding the Fourth Proportional to 83,362.38, 125,043.77 and 21,032.88

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Solution

The fourth proportional to 83,362.38, 125,043.77 and 21,032.88 is: 31,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,362.38 : 125,043.77 = 21,032.88 : x
  2. Step 2: Convert to fraction form
    83,362.38/125,043.77 = 21,032.88/x
  3. Step 3: Cross multiply
    83,362.38x = 125,043.77 × 21,032.88
  4. Step 4: Simplify right side
    83,362.38x = 2,630,030,609.16
  5. Step 5: Solve for x
    x = 2,630,030,609.16/83,362.38
  6. Step 6: Final answer
    x = 31,549.37

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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.