Home / 125,171.04-172,736.22-68,582.40

Finding the Fourth Proportional to 125,171.04, 172,736.22 and 68,582.40

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Solution

The fourth proportional to 125,171.04, 172,736.22 and 68,582.40 is: 94,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,171.04 : 172,736.22 = 68,582.40 : x
  2. Step 2: Convert to fraction form
    125,171.04/172,736.22 = 68,582.40/x
  3. Step 3: Cross multiply
    125,171.04x = 172,736.22 × 68,582.40
  4. Step 4: Simplify right side
    125,171.04x = 11,846,664,534.53
  5. Step 5: Solve for x
    x = 11,846,664,534.53/125,171.04
  6. Step 6: Final answer
    x = 94,643.81

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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.