Home / 100,673.24-151,077.92-38,342.12

Finding the Fourth Proportional to 100,673.24, 151,077.92 and 38,342.12

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Solution

The fourth proportional to 100,673.24, 151,077.92 and 38,342.12 is: 57,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,673.24 : 151,077.92 = 38,342.12 : x
  2. Step 2: Convert to fraction form
    100,673.24/151,077.92 = 38,342.12/x
  3. Step 3: Cross multiply
    100,673.24x = 151,077.92 × 38,342.12
  4. Step 4: Simplify right side
    100,673.24x = 5,792,647,737.99
  5. Step 5: Solve for x
    x = 5,792,647,737.99/100,673.24
  6. Step 6: Final answer
    x = 57,539.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.