Home / 96,936.48-133,760.70-53,905.20

Finding the Fourth Proportional to 96,936.48, 133,760.70 and 53,905.20

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Solution

The fourth proportional to 96,936.48, 133,760.70 and 53,905.20 is: 74,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,936.48 : 133,760.70 = 53,905.20 : x
  2. Step 2: Convert to fraction form
    96,936.48/133,760.70 = 53,905.20/x
  3. Step 3: Cross multiply
    96,936.48x = 133,760.70 × 53,905.20
  4. Step 4: Simplify right side
    96,936.48x = 7,210,397,285.64
  5. Step 5: Solve for x
    x = 7,210,397,285.64/96,936.48
  6. Step 6: Final answer
    x = 74,382.70

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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.