Home / 125,195.04-172,772.10-68,606.64

Finding the Fourth Proportional to 125,195.04, 172,772.10 and 68,606.64

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Solution

The fourth proportional to 125,195.04, 172,772.10 and 68,606.64 is: 94,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,195.04 : 172,772.10 = 68,606.64 : x
  2. Step 2: Convert to fraction form
    125,195.04/172,772.10 = 68,606.64/x
  3. Step 3: Cross multiply
    125,195.04x = 172,772.10 × 68,606.64
  4. Step 4: Simplify right side
    125,195.04x = 11,853,313,266.74
  5. Step 5: Solve for x
    x = 11,853,313,266.74/125,195.04
  6. Step 6: Final answer
    x = 94,678.78

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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.