Home / 96,660.13-133,392-54,217.75

Finding the Fourth Proportional to 96,660.13, 133,392 and 54,217.75

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Solution

The fourth proportional to 96,660.13, 133,392 and 54,217.75 is: 74,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,660.13 : 133,392 = 54,217.75 : x
  2. Step 2: Convert to fraction form
    96,660.13/133,392 = 54,217.75/x
  3. Step 3: Cross multiply
    96,660.13x = 133,392 × 54,217.75
  4. Step 4: Simplify right side
    96,660.13x = 7,232,214,108
  5. Step 5: Solve for x
    x = 7,232,214,108/96,660.13
  6. Step 6: Final answer
    x = 74,821.07

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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.