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Finding the Fourth Proportional to 80,311.93, 110,828.62 and 46,320.48

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Solution

The fourth proportional to 80,311.93, 110,828.62 and 46,320.48 is: 63,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,311.93 : 110,828.62 = 46,320.48 : x
  2. Step 2: Convert to fraction form
    80,311.93/110,828.62 = 46,320.48/x
  3. Step 3: Cross multiply
    80,311.93x = 110,828.62 × 46,320.48
  4. Step 4: Simplify right side
    80,311.93x = 5,133,634,876.14
  5. Step 5: Solve for x
    x = 5,133,634,876.14/80,311.93
  6. Step 6: Final answer
    x = 63,921.20

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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.