Home / 49,104.95-67,761.63-28,957.20

Finding the Fourth Proportional to 49,104.95, 67,761.63 and 28,957.20

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Solution

The fourth proportional to 49,104.95, 67,761.63 and 28,957.20 is: 39,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,104.95 : 67,761.63 = 28,957.20 : x
  2. Step 2: Convert to fraction form
    49,104.95/67,761.63 = 28,957.20/x
  3. Step 3: Cross multiply
    49,104.95x = 67,761.63 × 28,957.20
  4. Step 4: Simplify right side
    49,104.95x = 1,962,187,072.24
  5. Step 5: Solve for x
    x = 1,962,187,072.24/49,104.95
  6. Step 6: Final answer
    x = 39,959.05

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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.