Home / 98,096.82-135,378.05-57,812.28

Finding the Fourth Proportional to 98,096.82, 135,378.05 and 57,812.28

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Solution

The fourth proportional to 98,096.82, 135,378.05 and 57,812.28 is: 79,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,096.82 : 135,378.05 = 57,812.28 : x
  2. Step 2: Convert to fraction form
    98,096.82/135,378.05 = 57,812.28/x
  3. Step 3: Cross multiply
    98,096.82x = 135,378.05 × 57,812.28
  4. Step 4: Simplify right side
    98,096.82x = 7,826,513,732.45
  5. Step 5: Solve for x
    x = 7,826,513,732.45/98,096.82
  6. Step 6: Final answer
    x = 79,783.56

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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.