Home / 115,455.36-173,192.87-40,569.04

Finding the Fourth Proportional to 115,455.36, 173,192.87 and 40,569.04

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Solution

The fourth proportional to 115,455.36, 173,192.87 and 40,569.04 is: 60,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,455.36 : 173,192.87 = 40,569.04 : x
  2. Step 2: Convert to fraction form
    115,455.36/173,192.87 = 40,569.04/x
  3. Step 3: Cross multiply
    115,455.36x = 173,192.87 × 40,569.04
  4. Step 4: Simplify right side
    115,455.36x = 7,026,268,470.74
  5. Step 5: Solve for x
    x = 7,026,268,470.74/115,455.36
  6. Step 6: Final answer
    x = 60,857.01

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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.