Home / 72,083.45-108,125.18-32,639.69

Finding the Fourth Proportional to 72,083.45, 108,125.18 and 32,639.69

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Solution

The fourth proportional to 72,083.45, 108,125.18 and 32,639.69 is: 48,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,083.45 : 108,125.18 = 32,639.69 : x
  2. Step 2: Convert to fraction form
    72,083.45/108,125.18 = 32,639.69/x
  3. Step 3: Cross multiply
    72,083.45x = 108,125.18 × 32,639.69
  4. Step 4: Simplify right side
    72,083.45x = 3,529,171,652.57
  5. Step 5: Solve for x
    x = 3,529,171,652.57/72,083.45
  6. Step 6: Final answer
    x = 48,959.53

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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.