Home / 103,739.92-155,630.28-37,162.12

Finding the Fourth Proportional to 103,739.92, 155,630.28 and 37,162.12

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Solution

The fourth proportional to 103,739.92, 155,630.28 and 37,162.12 is: 55,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,739.92 : 155,630.28 = 37,162.12 : x
  2. Step 2: Convert to fraction form
    103,739.92/155,630.28 = 37,162.12/x
  3. Step 3: Cross multiply
    103,739.92x = 155,630.28 × 37,162.12
  4. Step 4: Simplify right side
    103,739.92x = 5,783,551,140.99
  5. Step 5: Solve for x
    x = 5,783,551,140.99/103,739.92
  6. Step 6: Final answer
    x = 55,750.49

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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.