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Finding the Fourth Proportional to 80,316.92, 110,835.52 and 46,325.48

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Solution

The fourth proportional to 80,316.92, 110,835.52 and 46,325.48 is: 63,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,316.92 : 110,835.52 = 46,325.48 : x
  2. Step 2: Convert to fraction form
    80,316.92/110,835.52 = 46,325.48/x
  3. Step 3: Cross multiply
    80,316.92x = 110,835.52 × 46,325.48
  4. Step 4: Simplify right side
    80,316.92x = 5,134,508,665.05
  5. Step 5: Solve for x
    x = 5,134,508,665.05/80,316.92
  6. Step 6: Final answer
    x = 63,928.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.