Home / 96,981.36-133,837.29-54,542.22

Finding the Fourth Proportional to 96,981.36, 133,837.29 and 54,542.22

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Solution

The fourth proportional to 96,981.36, 133,837.29 and 54,542.22 is: 75,269.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,981.36 : 133,837.29 = 54,542.22 : x
  2. Step 2: Convert to fraction form
    96,981.36/133,837.29 = 54,542.22/x
  3. Step 3: Cross multiply
    96,981.36x = 133,837.29 × 54,542.22
  4. Step 4: Simplify right side
    96,981.36x = 7,299,782,915.38
  5. Step 5: Solve for x
    x = 7,299,782,915.38/96,981.36
  6. Step 6: Final answer
    x = 75,269.96

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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.