Home / 99,376.38-137,138.27-73,996.25

Finding the Fourth Proportional to 99,376.38, 137,138.27 and 73,996.25

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Solution

The fourth proportional to 99,376.38, 137,138.27 and 73,996.25 is: 102,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,376.38 : 137,138.27 = 73,996.25 : x
  2. Step 2: Convert to fraction form
    99,376.38/137,138.27 = 73,996.25/x
  3. Step 3: Cross multiply
    99,376.38x = 137,138.27 × 73,996.25
  4. Step 4: Simplify right side
    99,376.38x = 10,147,716,655.81
  5. Step 5: Solve for x
    x = 10,147,716,655.81/99,376.38
  6. Step 6: Final answer
    x = 102,113.97

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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.