Home / 97,709.43-146,403.15-89,538.55

Finding the Fourth Proportional to 97,709.43, 146,403.15 and 89,538.55

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Solution

The fourth proportional to 97,709.43, 146,403.15 and 89,538.55 is: 134,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,709.43 : 146,403.15 = 89,538.55 : x
  2. Step 2: Convert to fraction form
    97,709.43/146,403.15 = 89,538.55/x
  3. Step 3: Cross multiply
    97,709.43x = 146,403.15 × 89,538.55
  4. Step 4: Simplify right side
    97,709.43x = 13,108,725,949.44
  5. Step 5: Solve for x
    x = 13,108,725,949.44/97,709.43
  6. Step 6: Final answer
    x = 134,160.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.