Home / 99,543.52-149,236.32-49,596.40

Finding the Fourth Proportional to 99,543.52, 149,236.32 and 49,596.40

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Solution

The fourth proportional to 99,543.52, 149,236.32 and 49,596.40 is: 74,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,543.52 : 149,236.32 = 49,596.40 : x
  2. Step 2: Convert to fraction form
    99,543.52/149,236.32 = 49,596.40/x
  3. Step 3: Cross multiply
    99,543.52x = 149,236.32 × 49,596.40
  4. Step 4: Simplify right side
    99,543.52x = 7,401,584,221.25
  5. Step 5: Solve for x
    x = 7,401,584,221.25/99,543.52
  6. Step 6: Final answer
    x = 74,355.26

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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.