Home / 73,127.40-109,662.30-26,356.20

Finding the Fourth Proportional to 73,127.40, 109,662.30 and 26,356.20

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Solution

The fourth proportional to 73,127.40, 109,662.30 and 26,356.20 is: 39,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,127.40 : 109,662.30 = 26,356.20 : x
  2. Step 2: Convert to fraction form
    73,127.40/109,662.30 = 26,356.20/x
  3. Step 3: Cross multiply
    73,127.40x = 109,662.30 × 26,356.20
  4. Step 4: Simplify right side
    73,127.40x = 2,890,281,511.26
  5. Step 5: Solve for x
    x = 2,890,281,511.26/73,127.40
  6. Step 6: Final answer
    x = 39,523.92

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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.