Home / 98,038.62-135,285.39-55,601.10

Finding the Fourth Proportional to 98,038.62, 135,285.39 and 55,601.10

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Solution

The fourth proportional to 98,038.62, 135,285.39 and 55,601.10 is: 76,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,038.62 : 135,285.39 = 55,601.10 : x
  2. Step 2: Convert to fraction form
    98,038.62/135,285.39 = 55,601.10/x
  3. Step 3: Cross multiply
    98,038.62x = 135,285.39 × 55,601.10
  4. Step 4: Simplify right side
    98,038.62x = 7,522,016,497.93
  5. Step 5: Solve for x
    x = 7,522,016,497.93/98,038.62
  6. Step 6: Final answer
    x = 76,725.03

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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.