Home / 125,126.46-172,673.64-68,536.62

Finding the Fourth Proportional to 125,126.46, 172,673.64 and 68,536.62

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Solution

The fourth proportional to 125,126.46, 172,673.64 and 68,536.62 is: 94,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,126.46 : 172,673.64 = 68,536.62 : x
  2. Step 2: Convert to fraction form
    125,126.46/172,673.64 = 68,536.62/x
  3. Step 3: Cross multiply
    125,126.46x = 172,673.64 × 68,536.62
  4. Step 4: Simplify right side
    125,126.46x = 11,834,467,648.70
  5. Step 5: Solve for x
    x = 11,834,467,648.70/125,126.46
  6. Step 6: Final answer
    x = 94,580.06

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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.