Home / 98,148.48-135,441.62-57,861.52

Finding the Fourth Proportional to 98,148.48, 135,441.62 and 57,861.52

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Solution

The fourth proportional to 98,148.48, 135,441.62 and 57,861.52 is: 79,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,148.48 : 135,441.62 = 57,861.52 : x
  2. Step 2: Convert to fraction form
    98,148.48/135,441.62 = 57,861.52/x
  3. Step 3: Cross multiply
    98,148.48x = 135,441.62 × 57,861.52
  4. Step 4: Simplify right side
    98,148.48x = 7,836,858,004.46
  5. Step 5: Solve for x
    x = 7,836,858,004.46/98,148.48
  6. Step 6: Final answer
    x = 79,846.96

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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.