Home / 110,965.82-153,089.80-70,672.37

Finding the Fourth Proportional to 110,965.82, 153,089.80 and 70,672.37

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Solution

The fourth proportional to 110,965.82, 153,089.80 and 70,672.37 is: 97,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,965.82 : 153,089.80 = 70,672.37 : x
  2. Step 2: Convert to fraction form
    110,965.82/153,089.80 = 70,672.37/x
  3. Step 3: Cross multiply
    110,965.82x = 153,089.80 × 70,672.37
  4. Step 4: Simplify right side
    110,965.82x = 10,819,218,046.70
  5. Step 5: Solve for x
    x = 10,819,218,046.70/110,965.82
  6. Step 6: Final answer
    x = 97,500.46

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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.