Home / 96,939.72-133,774.89-53,918.28

Finding the Fourth Proportional to 96,939.72, 133,774.89 and 53,918.28

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Solution

The fourth proportional to 96,939.72, 133,774.89 and 53,918.28 is: 74,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,939.72 : 133,774.89 = 53,918.28 : x
  2. Step 2: Convert to fraction form
    96,939.72/133,774.89 = 53,918.28/x
  3. Step 3: Cross multiply
    96,939.72x = 133,774.89 × 53,918.28
  4. Step 4: Simplify right side
    96,939.72x = 7,212,912,453.33
  5. Step 5: Solve for x
    x = 7,212,912,453.33/96,939.72
  6. Step 6: Final answer
    x = 74,406.16

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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.