Home / 98,719.56-136,233.36-91,184.94

Finding the Fourth Proportional to 98,719.56, 136,233.36 and 91,184.94

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Solution

The fourth proportional to 98,719.56, 136,233.36 and 91,184.94 is: 125,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,719.56 : 136,233.36 = 91,184.94 : x
  2. Step 2: Convert to fraction form
    98,719.56/136,233.36 = 91,184.94/x
  3. Step 3: Cross multiply
    98,719.56x = 136,233.36 × 91,184.94
  4. Step 4: Simplify right side
    98,719.56x = 12,422,430,757.60
  5. Step 5: Solve for x
    x = 12,422,430,757.60/98,719.56
  6. Step 6: Final answer
    x = 125,835.56

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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.