Home / 68,835.30-94,997.58-38,623.50

Finding the Fourth Proportional to 68,835.30, 94,997.58 and 38,623.50

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Solution

The fourth proportional to 68,835.30, 94,997.58 and 38,623.50 is: 53,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,835.30 : 94,997.58 = 38,623.50 : x
  2. Step 2: Convert to fraction form
    68,835.30/94,997.58 = 38,623.50/x
  3. Step 3: Cross multiply
    68,835.30x = 94,997.58 × 38,623.50
  4. Step 4: Simplify right side
    68,835.30x = 3,669,139,031.13
  5. Step 5: Solve for x
    x = 3,669,139,031.13/68,835.30
  6. Step 6: Final answer
    x = 53,303.16

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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.