Home / 115,579.15-173,319.51-45,409.25

Finding the Fourth Proportional to 115,579.15, 173,319.51 and 45,409.25

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Solution

The fourth proportional to 115,579.15, 173,319.51 and 45,409.25 is: 68,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,579.15 : 173,319.51 = 45,409.25 : x
  2. Step 2: Convert to fraction form
    115,579.15/173,319.51 = 45,409.25/x
  3. Step 3: Cross multiply
    115,579.15x = 173,319.51 × 45,409.25
  4. Step 4: Simplify right side
    115,579.15x = 7,870,308,959.47
  5. Step 5: Solve for x
    x = 7,870,308,959.47/115,579.15
  6. Step 6: Final answer
    x = 68,094.54

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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.