Home / 98,211.52-135,531.92-53,499.52

Finding the Fourth Proportional to 98,211.52, 135,531.92 and 53,499.52

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Solution

The fourth proportional to 98,211.52, 135,531.92 and 53,499.52 is: 73,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,211.52 : 135,531.92 = 53,499.52 : x
  2. Step 2: Convert to fraction form
    98,211.52/135,531.92 = 53,499.52/x
  3. Step 3: Cross multiply
    98,211.52x = 135,531.92 × 53,499.52
  4. Step 4: Simplify right side
    98,211.52x = 7,250,892,664.68
  5. Step 5: Solve for x
    x = 7,250,892,664.68/98,211.52
  6. Step 6: Final answer
    x = 73,829.35

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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.