Home / 80,300.05-110,812.64-44,489.35

Finding the Fourth Proportional to 80,300.05, 110,812.64 and 44,489.35

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Solution

The fourth proportional to 80,300.05, 110,812.64 and 44,489.35 is: 61,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,300.05 : 110,812.64 = 44,489.35 : x
  2. Step 2: Convert to fraction form
    80,300.05/110,812.64 = 44,489.35/x
  3. Step 3: Cross multiply
    80,300.05x = 110,812.64 × 44,489.35
  4. Step 4: Simplify right side
    80,300.05x = 4,929,981,548.87
  5. Step 5: Solve for x
    x = 4,929,981,548.87/80,300.05
  6. Step 6: Final answer
    x = 61,394.50

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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.