Home / 98,318.36-135,679.02-53,606.36

Finding the Fourth Proportional to 98,318.36, 135,679.02 and 53,606.36

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Solution

The fourth proportional to 98,318.36, 135,679.02 and 53,606.36 is: 73,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,318.36 : 135,679.02 = 53,606.36 : x
  2. Step 2: Convert to fraction form
    98,318.36/135,679.02 = 53,606.36/x
  3. Step 3: Cross multiply
    98,318.36x = 135,679.02 × 53,606.36
  4. Step 4: Simplify right side
    98,318.36x = 7,273,258,390.57
  5. Step 5: Solve for x
    x = 7,273,258,390.57/98,318.36
  6. Step 6: Final answer
    x = 73,976.60

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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.