Home / 74,932.60-111,852.27-65,474

Finding the Fourth Proportional to 74,932.60, 111,852.27 and 65,474

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Solution

The fourth proportional to 74,932.60, 111,852.27 and 65,474 is: 97,733.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,932.60 : 111,852.27 = 65,474 : x
  2. Step 2: Convert to fraction form
    74,932.60/111,852.27 = 65,474/x
  3. Step 3: Cross multiply
    74,932.60x = 111,852.27 × 65,474
  4. Step 4: Simplify right side
    74,932.60x = 7,323,415,525.98
  5. Step 5: Solve for x
    x = 7,323,415,525.98/74,932.60
  6. Step 6: Final answer
    x = 97,733.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.