Home / 98,890.55-136,469.63-53,568.54

Finding the Fourth Proportional to 98,890.55, 136,469.63 and 53,568.54

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Solution

The fourth proportional to 98,890.55, 136,469.63 and 53,568.54 is: 73,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,890.55 : 136,469.63 = 53,568.54 : x
  2. Step 2: Convert to fraction form
    98,890.55/136,469.63 = 53,568.54/x
  3. Step 3: Cross multiply
    98,890.55x = 136,469.63 × 53,568.54
  4. Step 4: Simplify right side
    98,890.55x = 7,310,478,565.60
  5. Step 5: Solve for x
    x = 7,310,478,565.60/98,890.55
  6. Step 6: Final answer
    x = 73,924.94

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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.