Home / 96,733.26-133,542-75,174.84

Finding the Fourth Proportional to 96,733.26, 133,542 and 75,174.84

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Solution

The fourth proportional to 96,733.26, 133,542 and 75,174.84 is: 103,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,733.26 : 133,542 = 75,174.84 : x
  2. Step 2: Convert to fraction form
    96,733.26/133,542 = 75,174.84/x
  3. Step 3: Cross multiply
    96,733.26x = 133,542 × 75,174.84
  4. Step 4: Simplify right side
    96,733.26x = 10,038,998,483.28
  5. Step 5: Solve for x
    x = 10,038,998,483.28/96,733.26
  6. Step 6: Final answer
    x = 103,780.21

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1.5x scale

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.