Home / 125,727.04-173,498.79-69,138.01

Finding the Fourth Proportional to 125,727.04, 173,498.79 and 69,138.01

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Solution

The fourth proportional to 125,727.04, 173,498.79 and 69,138.01 is: 95,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,727.04 : 173,498.79 = 69,138.01 : x
  2. Step 2: Convert to fraction form
    125,727.04/173,498.79 = 69,138.01/x
  3. Step 3: Cross multiply
    125,727.04x = 173,498.79 × 69,138.01
  4. Step 4: Simplify right side
    125,727.04x = 11,995,361,078.01
  5. Step 5: Solve for x
    x = 11,995,361,078.01/125,727.04
  6. Step 6: Final answer
    x = 95,407.97

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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.