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Finding the Fourth Proportional to 80,304.52, 110,913.24 and 53,400.40

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Solution

The fourth proportional to 80,304.52, 110,913.24 and 53,400.40 is: 73,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,304.52 : 110,913.24 = 53,400.40 : x
  2. Step 2: Convert to fraction form
    80,304.52/110,913.24 = 53,400.40/x
  3. Step 3: Cross multiply
    80,304.52x = 110,913.24 × 53,400.40
  4. Step 4: Simplify right side
    80,304.52x = 5,922,811,381.30
  5. Step 5: Solve for x
    x = 5,922,811,381.30/80,304.52
  6. Step 6: Final answer
    x = 73,754.40

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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.