Home / 98,190.81-135,516.06-59,942.39

Finding the Fourth Proportional to 98,190.81, 135,516.06 and 59,942.39

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Solution

The fourth proportional to 98,190.81, 135,516.06 and 59,942.39 is: 82,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,190.81 : 135,516.06 = 59,942.39 : x
  2. Step 2: Convert to fraction form
    98,190.81/135,516.06 = 59,942.39/x
  3. Step 3: Cross multiply
    98,190.81x = 135,516.06 × 59,942.39
  4. Step 4: Simplify right side
    98,190.81x = 8,123,155,842.20
  5. Step 5: Solve for x
    x = 8,123,155,842.20/98,190.81
  6. Step 6: Final answer
    x = 82,728.27

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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.