Home / 101,631.07-140,274.21-67,641.01

Finding the Fourth Proportional to 101,631.07, 140,274.21 and 67,641.01

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Solution

The fourth proportional to 101,631.07, 140,274.21 and 67,641.01 is: 93,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,631.07 : 140,274.21 = 67,641.01 : x
  2. Step 2: Convert to fraction form
    101,631.07/140,274.21 = 67,641.01/x
  3. Step 3: Cross multiply
    101,631.07x = 140,274.21 × 67,641.01
  4. Step 4: Simplify right side
    101,631.07x = 9,488,289,241.35
  5. Step 5: Solve for x
    x = 9,488,289,241.35/101,631.07
  6. Step 6: Final answer
    x = 93,360.12

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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.