Home / 68,968.14-95,153.14-38,749.28

Finding the Fourth Proportional to 68,968.14, 95,153.14 and 38,749.28

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Solution

The fourth proportional to 68,968.14, 95,153.14 and 38,749.28 is: 53,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,968.14 : 95,153.14 = 38,749.28 : x
  2. Step 2: Convert to fraction form
    68,968.14/95,153.14 = 38,749.28/x
  3. Step 3: Cross multiply
    68,968.14x = 95,153.14 × 38,749.28
  4. Step 4: Simplify right side
    68,968.14x = 3,687,115,664.74
  5. Step 5: Solve for x
    x = 3,687,115,664.74/68,968.14
  6. Step 6: Final answer
    x = 53,461.14

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1.5x scale

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.