Home / 100,359.42-150,558.57-38,073.66

Finding the Fourth Proportional to 100,359.42, 150,558.57 and 38,073.66

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Solution

The fourth proportional to 100,359.42, 150,558.57 and 38,073.66 is: 57,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,359.42 : 150,558.57 = 38,073.66 : x
  2. Step 2: Convert to fraction form
    100,359.42/150,558.57 = 38,073.66/x
  3. Step 3: Cross multiply
    100,359.42x = 150,558.57 × 38,073.66
  4. Step 4: Simplify right side
    100,359.42x = 5,732,315,804.27
  5. Step 5: Solve for x
    x = 5,732,315,804.27/100,359.42
  6. Step 6: Final answer
    x = 57,117.87

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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.