Home / 115,688.70-173,446.65-49,074.30

Finding the Fourth Proportional to 115,688.70, 173,446.65 and 49,074.30

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Solution

The fourth proportional to 115,688.70, 173,446.65 and 49,074.30 is: 73,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,688.70 : 173,446.65 = 49,074.30 : x
  2. Step 2: Convert to fraction form
    115,688.70/173,446.65 = 49,074.30/x
  3. Step 3: Cross multiply
    115,688.70x = 173,446.65 × 49,074.30
  4. Step 4: Simplify right side
    115,688.70x = 8,511,772,936.10
  5. Step 5: Solve for x
    x = 8,511,772,936.10/115,688.70
  6. Step 6: Final answer
    x = 73,574.80

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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.