Home / 96,480.62-133,139.40-54,036.98

Finding the Fourth Proportional to 96,480.62, 133,139.40 and 54,036.98

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Solution

The fourth proportional to 96,480.62, 133,139.40 and 54,036.98 is: 74,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,480.62 : 133,139.40 = 54,036.98 : x
  2. Step 2: Convert to fraction form
    96,480.62/133,139.40 = 54,036.98/x
  3. Step 3: Cross multiply
    96,480.62x = 133,139.40 × 54,036.98
  4. Step 4: Simplify right side
    96,480.62x = 7,194,451,095.01
  5. Step 5: Solve for x
    x = 7,194,451,095.01/96,480.62
  6. Step 6: Final answer
    x = 74,568.87

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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.