Home / 99,645.42-149,495.46-49,665.18

Finding the Fourth Proportional to 99,645.42, 149,495.46 and 49,665.18

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Solution

The fourth proportional to 99,645.42, 149,495.46 and 49,665.18 is: 74,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645.42 : 149,495.46 = 49,665.18 : x
  2. Step 2: Convert to fraction form
    99,645.42/149,495.46 = 49,665.18/x
  3. Step 3: Cross multiply
    99,645.42x = 149,495.46 × 49,665.18
  4. Step 4: Simplify right side
    99,645.42x = 7,424,718,930.08
  5. Step 5: Solve for x
    x = 7,424,718,930.08/99,645.42
  6. Step 6: Final answer
    x = 74,511.39

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1.5x scale

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.