Home / 98,913.26-136,500.32-53,591.56

Finding the Fourth Proportional to 98,913.26, 136,500.32 and 53,591.56

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Solution

The fourth proportional to 98,913.26, 136,500.32 and 53,591.56 is: 73,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,913.26 : 136,500.32 = 53,591.56 : x
  2. Step 2: Convert to fraction form
    98,913.26/136,500.32 = 53,591.56/x
  3. Step 3: Cross multiply
    98,913.26x = 136,500.32 × 53,591.56
  4. Step 4: Simplify right side
    98,913.26x = 7,315,265,089.30
  5. Step 5: Solve for x
    x = 7,315,265,089.30/98,913.26
  6. Step 6: Final answer
    x = 73,956.36

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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.