Home / 96,731.28-133,501.77-54,289.85

Finding the Fourth Proportional to 96,731.28, 133,501.77 and 54,289.85

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Solution

The fourth proportional to 96,731.28, 133,501.77 and 54,289.85 is: 74,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,731.28 : 133,501.77 = 54,289.85 : x
  2. Step 2: Convert to fraction form
    96,731.28/133,501.77 = 54,289.85/x
  3. Step 3: Cross multiply
    96,731.28x = 133,501.77 × 54,289.85
  4. Step 4: Simplify right side
    96,731.28x = 7,247,790,400.53
  5. Step 5: Solve for x
    x = 7,247,790,400.53/96,731.28
  6. Step 6: Final answer
    x = 74,927.06

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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.