Home / 79,356.13-109,511.39-43,548.39

Finding the Fourth Proportional to 79,356.13, 109,511.39 and 43,548.39

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Solution

The fourth proportional to 79,356.13, 109,511.39 and 43,548.39 is: 60,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,356.13 : 109,511.39 = 43,548.39 : x
  2. Step 2: Convert to fraction form
    79,356.13/109,511.39 = 43,548.39/x
  3. Step 3: Cross multiply
    79,356.13x = 109,511.39 × 43,548.39
  4. Step 4: Simplify right side
    79,356.13x = 4,769,044,830.03
  5. Step 5: Solve for x
    x = 4,769,044,830.03/79,356.13
  6. Step 6: Final answer
    x = 60,096.74

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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.