Home / 125,724.88-173,505.04-75,414.16

Finding the Fourth Proportional to 125,724.88, 173,505.04 and 75,414.16

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Solution

The fourth proportional to 125,724.88, 173,505.04 and 75,414.16 is: 104,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,724.88 : 173,505.04 = 75,414.16 : x
  2. Step 2: Convert to fraction form
    125,724.88/173,505.04 = 75,414.16/x
  3. Step 3: Cross multiply
    125,724.88x = 173,505.04 × 75,414.16
  4. Step 4: Simplify right side
    125,724.88x = 13,084,736,847.37
  5. Step 5: Solve for x
    x = 13,084,736,847.37/125,724.88
  6. Step 6: Final answer
    x = 104,074.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.