Home / 96,739.05-133,492.56-54,289.38

Finding the Fourth Proportional to 96,739.05, 133,492.56 and 54,289.38

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Solution

The fourth proportional to 96,739.05, 133,492.56 and 54,289.38 is: 74,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,739.05 : 133,492.56 = 54,289.38 : x
  2. Step 2: Convert to fraction form
    96,739.05/133,492.56 = 54,289.38/x
  3. Step 3: Cross multiply
    96,739.05x = 133,492.56 × 54,289.38
  4. Step 4: Simplify right side
    96,739.05x = 7,247,227,785.27
  5. Step 5: Solve for x
    x = 7,247,227,785.27/96,739.05
  6. Step 6: Final answer
    x = 74,915.23

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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.