Home / 101,634.32-140,241.36-56,301.08

Finding the Fourth Proportional to 101,634.32, 140,241.36 and 56,301.08

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Solution

The fourth proportional to 101,634.32, 140,241.36 and 56,301.08 is: 77,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,634.32 : 140,241.36 = 56,301.08 : x
  2. Step 2: Convert to fraction form
    101,634.32/140,241.36 = 56,301.08/x
  3. Step 3: Cross multiply
    101,634.32x = 140,241.36 × 56,301.08
  4. Step 4: Simplify right side
    101,634.32x = 7,895,740,028.67
  5. Step 5: Solve for x
    x = 7,895,740,028.67/101,634.32
  6. Step 6: Final answer
    x = 77,687.73

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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.