Home / 96,939.48-133,764.84-53,908.20

Finding the Fourth Proportional to 96,939.48, 133,764.84 and 53,908.20

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Solution

The fourth proportional to 96,939.48, 133,764.84 and 53,908.20 is: 74,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,939.48 : 133,764.84 = 53,908.20 : x
  2. Step 2: Convert to fraction form
    96,939.48/133,764.84 = 53,908.20/x
  3. Step 3: Cross multiply
    96,939.48x = 133,764.84 × 53,908.20
  4. Step 4: Simplify right side
    96,939.48x = 7,211,021,747.69
  5. Step 5: Solve for x
    x = 7,211,021,747.69/96,939.48
  6. Step 6: Final answer
    x = 74,386.84

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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.