Home / 80,951.08-121,441.23-36,598.72

Finding the Fourth Proportional to 80,951.08, 121,441.23 and 36,598.72

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Solution

The fourth proportional to 80,951.08, 121,441.23 and 36,598.72 is: 54,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,951.08 : 121,441.23 = 36,598.72 : x
  2. Step 2: Convert to fraction form
    80,951.08/121,441.23 = 36,598.72/x
  3. Step 3: Cross multiply
    80,951.08x = 121,441.23 × 36,598.72
  4. Step 4: Simplify right side
    80,951.08x = 4,444,593,573.23
  5. Step 5: Solve for x
    x = 4,444,593,573.23/80,951.08
  6. Step 6: Final answer
    x = 54,904.69

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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.