Home / 79,737.77-119,606.82-74,866.22

Finding the Fourth Proportional to 79,737.77, 119,606.82 and 74,866.22

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Solution

The fourth proportional to 79,737.77, 119,606.82 and 74,866.22 is: 112,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,737.77 : 119,606.82 = 74,866.22 : x
  2. Step 2: Convert to fraction form
    79,737.77/119,606.82 = 74,866.22/x
  3. Step 3: Cross multiply
    79,737.77x = 119,606.82 × 74,866.22
  4. Step 4: Simplify right side
    79,737.77x = 8,954,511,079.39
  5. Step 5: Solve for x
    x = 8,954,511,079.39/79,737.77
  6. Step 6: Final answer
    x = 112,299.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.