Home / 115,362.12-173,120.38-40,482.60

Finding the Fourth Proportional to 115,362.12, 173,120.38 and 40,482.60

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Solution

The fourth proportional to 115,362.12, 173,120.38 and 40,482.60 is: 60,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,362.12 : 173,120.38 = 40,482.60 : x
  2. Step 2: Convert to fraction form
    115,362.12/173,120.38 = 40,482.60/x
  3. Step 3: Cross multiply
    115,362.12x = 173,120.38 × 40,482.60
  4. Step 4: Simplify right side
    115,362.12x = 7,008,363,095.39
  5. Step 5: Solve for x
    x = 7,008,363,095.39/115,362.12
  6. Step 6: Final answer
    x = 60,750.99

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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.