Home / 101,634.07-140,278.35-67,644.01

Finding the Fourth Proportional to 101,634.07, 140,278.35 and 67,644.01

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Solution

The fourth proportional to 101,634.07, 140,278.35 and 67,644.01 is: 93,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,634.07 : 140,278.35 = 67,644.01 : x
  2. Step 2: Convert to fraction form
    101,634.07/140,278.35 = 67,644.01/x
  3. Step 3: Cross multiply
    101,634.07x = 140,278.35 × 67,644.01
  4. Step 4: Simplify right side
    101,634.07x = 9,488,990,110.18
  5. Step 5: Solve for x
    x = 9,488,990,110.18/101,634.07
  6. Step 6: Final answer
    x = 93,364.26

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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.