Home / 96,978.27-133,814.40-54,534.27

Finding the Fourth Proportional to 96,978.27, 133,814.40 and 54,534.27

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Solution

The fourth proportional to 96,978.27, 133,814.40 and 54,534.27 is: 75,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,978.27 : 133,814.40 = 54,534.27 : x
  2. Step 2: Convert to fraction form
    96,978.27/133,814.40 = 54,534.27/x
  3. Step 3: Cross multiply
    96,978.27x = 133,814.40 × 54,534.27
  4. Step 4: Simplify right side
    96,978.27x = 7,297,470,619.49
  5. Step 5: Solve for x
    x = 7,297,470,619.49/96,978.27
  6. Step 6: Final answer
    x = 75,248.51

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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.