Home / 96,428.86-133,067.37-53,405.44

Finding the Fourth Proportional to 96,428.86, 133,067.37 and 53,405.44

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Solution

The fourth proportional to 96,428.86, 133,067.37 and 53,405.44 is: 73,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,428.86 : 133,067.37 = 53,405.44 : x
  2. Step 2: Convert to fraction form
    96,428.86/133,067.37 = 53,405.44/x
  3. Step 3: Cross multiply
    96,428.86x = 133,067.37 × 53,405.44
  4. Step 4: Simplify right side
    96,428.86x = 7,106,521,444.49
  5. Step 5: Solve for x
    x = 7,106,521,444.49/96,428.86
  6. Step 6: Final answer
    x = 73,697.04

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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.