Home / 72,717.08-109,117.20-33,273.86

Finding the Fourth Proportional to 72,717.08, 109,117.20 and 33,273.86

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Solution

The fourth proportional to 72,717.08, 109,117.20 and 33,273.86 is: 49,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,717.08 : 109,117.20 = 33,273.86 : x
  2. Step 2: Convert to fraction form
    72,717.08/109,117.20 = 33,273.86/x
  3. Step 3: Cross multiply
    72,717.08x = 109,117.20 × 33,273.86
  4. Step 4: Simplify right side
    72,717.08x = 3,630,750,436.39
  5. Step 5: Solve for x
    x = 3,630,750,436.39/72,717.08
  6. Step 6: Final answer
    x = 49,929.82

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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.