Home / 72,015.18-108,039.57-24,630.64

Finding the Fourth Proportional to 72,015.18, 108,039.57 and 24,630.64

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Solution

The fourth proportional to 72,015.18, 108,039.57 and 24,630.64 is: 36,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,015.18 : 108,039.57 = 24,630.64 : x
  2. Step 2: Convert to fraction form
    72,015.18/108,039.57 = 24,630.64/x
  3. Step 3: Cross multiply
    72,015.18x = 108,039.57 × 24,630.64
  4. Step 4: Simplify right side
    72,015.18x = 2,661,083,484.33
  5. Step 5: Solve for x
    x = 2,661,083,484.33/72,015.18
  6. Step 6: Final answer
    x = 36,951.70

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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.