Home / 96,480.12-133,138.71-54,036.48

Finding the Fourth Proportional to 96,480.12, 133,138.71 and 54,036.48

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Solution

The fourth proportional to 96,480.12, 133,138.71 and 54,036.48 is: 74,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,480.12 : 133,138.71 = 54,036.48 : x
  2. Step 2: Convert to fraction form
    96,480.12/133,138.71 = 54,036.48/x
  3. Step 3: Cross multiply
    96,480.12x = 133,138.71 × 54,036.48
  4. Step 4: Simplify right side
    96,480.12x = 7,194,347,240.14
  5. Step 5: Solve for x
    x = 7,194,347,240.14/96,480.12
  6. Step 6: Final answer
    x = 74,568.18

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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.