Home / 96,939.78-133,774.44-54,501.06

Finding the Fourth Proportional to 96,939.78, 133,774.44 and 54,501.06

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Solution

The fourth proportional to 96,939.78, 133,774.44 and 54,501.06 is: 75,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,939.78 : 133,774.44 = 54,501.06 : x
  2. Step 2: Convert to fraction form
    96,939.78/133,774.44 = 54,501.06/x
  3. Step 3: Cross multiply
    96,939.78x = 133,774.44 × 54,501.06
  4. Step 4: Simplify right side
    96,939.78x = 7,290,848,780.91
  5. Step 5: Solve for x
    x = 7,290,848,780.91/96,939.78
  6. Step 6: Final answer
    x = 75,210.08

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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.