Home / 101,996.04-140,709.27-67,971.39

Finding the Fourth Proportional to 101,996.04, 140,709.27 and 67,971.39

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Solution

The fourth proportional to 101,996.04, 140,709.27 and 67,971.39 is: 93,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,996.04 : 140,709.27 = 67,971.39 : x
  2. Step 2: Convert to fraction form
    101,996.04/140,709.27 = 67,971.39/x
  3. Step 3: Cross multiply
    101,996.04x = 140,709.27 × 67,971.39
  4. Step 4: Simplify right side
    101,996.04x = 9,564,204,667.79
  5. Step 5: Solve for x
    x = 9,564,204,667.79/101,996.04
  6. Step 6: Final answer
    x = 93,770.35

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1.5x scale

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.