Home / 80,434.62-110,988.63-53,594.46

Finding the Fourth Proportional to 80,434.62, 110,988.63 and 53,594.46

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Solution

The fourth proportional to 80,434.62, 110,988.63 and 53,594.46 is: 73,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,434.62 : 110,988.63 = 53,594.46 : x
  2. Step 2: Convert to fraction form
    80,434.62/110,988.63 = 53,594.46/x
  3. Step 3: Cross multiply
    80,434.62x = 110,988.63 × 53,594.46
  4. Step 4: Simplify right side
    80,434.62x = 5,948,375,690.99
  5. Step 5: Solve for x
    x = 5,948,375,690.99/80,434.62
  6. Step 6: Final answer
    x = 73,952.93

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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.