Home / 96,983.85-145,349.66-54,287.54

Finding the Fourth Proportional to 96,983.85, 145,349.66 and 54,287.54

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Solution

The fourth proportional to 96,983.85, 145,349.66 and 54,287.54 is: 81,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,983.85 : 145,349.66 = 54,287.54 : x
  2. Step 2: Convert to fraction form
    96,983.85/145,349.66 = 54,287.54/x
  3. Step 3: Cross multiply
    96,983.85x = 145,349.66 × 54,287.54
  4. Step 4: Simplify right side
    96,983.85x = 7,890,674,483.05
  5. Step 5: Solve for x
    x = 7,890,674,483.05/96,983.85
  6. Step 6: Final answer
    x = 81,360.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.