Home / 98,855.28-136,419.66-53,532.54

Finding the Fourth Proportional to 98,855.28, 136,419.66 and 53,532.54

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Solution

The fourth proportional to 98,855.28, 136,419.66 and 53,532.54 is: 73,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,855.28 : 136,419.66 = 53,532.54 : x
  2. Step 2: Convert to fraction form
    98,855.28/136,419.66 = 53,532.54/x
  3. Step 3: Cross multiply
    98,855.28x = 136,419.66 × 53,532.54
  4. Step 4: Simplify right side
    98,855.28x = 7,302,890,905.74
  5. Step 5: Solve for x
    x = 7,302,890,905.74/98,855.28
  6. Step 6: Final answer
    x = 73,874.57

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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.