Home / 68,644.01-94,717.76-38,430.60

Finding the Fourth Proportional to 68,644.01, 94,717.76 and 38,430.60

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Solution

The fourth proportional to 68,644.01, 94,717.76 and 38,430.60 is: 53,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,644.01 : 94,717.76 = 38,430.60 : x
  2. Step 2: Convert to fraction form
    68,644.01/94,717.76 = 38,430.60/x
  3. Step 3: Cross multiply
    68,644.01x = 94,717.76 × 38,430.60
  4. Step 4: Simplify right side
    68,644.01x = 3,640,060,332.90
  5. Step 5: Solve for x
    x = 3,640,060,332.90/68,644.01
  6. Step 6: Final answer
    x = 53,028.09

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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.