Home / 113,127.45-169,685.70-42,049.95

Finding the Fourth Proportional to 113,127.45, 169,685.70 and 42,049.95

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Solution

The fourth proportional to 113,127.45, 169,685.70 and 42,049.95 is: 63,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,127.45 : 169,685.70 = 42,049.95 : x
  2. Step 2: Convert to fraction form
    113,127.45/169,685.70 = 42,049.95/x
  3. Step 3: Cross multiply
    113,127.45x = 169,685.70 × 42,049.95
  4. Step 4: Simplify right side
    113,127.45x = 7,135,275,200.72
  5. Step 5: Solve for x
    x = 7,135,275,200.72/113,127.45
  6. Step 6: Final answer
    x = 63,072.89

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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.