Home / 99,076.14-136,723.95-53,753.94

Finding the Fourth Proportional to 99,076.14, 136,723.95 and 53,753.94

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Solution

The fourth proportional to 99,076.14, 136,723.95 and 53,753.94 is: 74,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076.14 : 136,723.95 = 53,753.94 : x
  2. Step 2: Convert to fraction form
    99,076.14/136,723.95 = 53,753.94/x
  3. Step 3: Cross multiply
    99,076.14x = 136,723.95 × 53,753.94
  4. Step 4: Simplify right side
    99,076.14x = 7,349,451,004.86
  5. Step 5: Solve for x
    x = 7,349,451,004.86/99,076.14
  6. Step 6: Final answer
    x = 74,179.83

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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.