Home / 42,790.25-64,161.88-14,694.59

Finding the Fourth Proportional to 42,790.25, 64,161.88 and 14,694.59

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Solution

The fourth proportional to 42,790.25, 64,161.88 and 14,694.59 is: 22,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,790.25 : 64,161.88 = 14,694.59 : x
  2. Step 2: Convert to fraction form
    42,790.25/64,161.88 = 14,694.59/x
  3. Step 3: Cross multiply
    42,790.25x = 64,161.88 × 14,694.59
  4. Step 4: Simplify right side
    42,790.25x = 942,832,520.23
  5. Step 5: Solve for x
    x = 942,832,520.23/42,790.25
  6. Step 6: Final answer
    x = 22,033.82

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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.