Home / 72,838.88-100,521.24-41,011.28

Finding the Fourth Proportional to 72,838.88, 100,521.24 and 41,011.28

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Solution

The fourth proportional to 72,838.88, 100,521.24 and 41,011.28 is: 56,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,838.88 : 100,521.24 = 41,011.28 : x
  2. Step 2: Convert to fraction form
    72,838.88/100,521.24 = 41,011.28/x
  3. Step 3: Cross multiply
    72,838.88x = 100,521.24 × 41,011.28
  4. Step 4: Simplify right side
    72,838.88x = 4,122,504,719.59
  5. Step 5: Solve for x
    x = 4,122,504,719.59/72,838.88
  6. Step 6: Final answer
    x = 56,597.59

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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.