Home / 74,675.37-102,995.10-50,761.74

Finding the Fourth Proportional to 74,675.37, 102,995.10 and 50,761.74

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Solution

The fourth proportional to 74,675.37, 102,995.10 and 50,761.74 is: 70,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675.37 : 102,995.10 = 50,761.74 : x
  2. Step 2: Convert to fraction form
    74,675.37/102,995.10 = 50,761.74/x
  3. Step 3: Cross multiply
    74,675.37x = 102,995.10 × 50,761.74
  4. Step 4: Simplify right side
    74,675.37x = 5,228,210,487.47
  5. Step 5: Solve for x
    x = 5,228,210,487.47/74,675.37
  6. Step 6: Final answer
    x = 70,012.52

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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.