Home / 68,499.47-94,528.92-38,284.78

Finding the Fourth Proportional to 68,499.47, 94,528.92 and 38,284.78

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Solution

The fourth proportional to 68,499.47, 94,528.92 and 38,284.78 is: 52,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,499.47 : 94,528.92 = 38,284.78 : x
  2. Step 2: Convert to fraction form
    68,499.47/94,528.92 = 38,284.78/x
  3. Step 3: Cross multiply
    68,499.47x = 94,528.92 × 38,284.78
  4. Step 4: Simplify right side
    68,499.47x = 3,619,018,905.84
  5. Step 5: Solve for x
    x = 3,619,018,905.84/68,499.47
  6. Step 6: Final answer
    x = 52,832.80

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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.