Home / 99,229.86-136,937.39-53,907.46

Finding the Fourth Proportional to 99,229.86, 136,937.39 and 53,907.46

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Solution

The fourth proportional to 99,229.86, 136,937.39 and 53,907.46 is: 74,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,229.86 : 136,937.39 = 53,907.46 : x
  2. Step 2: Convert to fraction form
    99,229.86/136,937.39 = 53,907.46/x
  3. Step 3: Cross multiply
    99,229.86x = 136,937.39 × 53,907.46
  4. Step 4: Simplify right side
    99,229.86x = 7,381,946,262.05
  5. Step 5: Solve for x
    x = 7,381,946,262.05/99,229.86
  6. Step 6: Final answer
    x = 74,392.39

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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.