Home / 68,557.89-94,609.62-38,343.09

Finding the Fourth Proportional to 68,557.89, 94,609.62 and 38,343.09

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Solution

The fourth proportional to 68,557.89, 94,609.62 and 38,343.09 is: 52,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,557.89 : 94,609.62 = 38,343.09 : x
  2. Step 2: Convert to fraction form
    68,557.89/94,609.62 = 38,343.09/x
  3. Step 3: Cross multiply
    68,557.89x = 94,609.62 × 38,343.09
  4. Step 4: Simplify right side
    68,557.89x = 3,627,625,174.53
  5. Step 5: Solve for x
    x = 3,627,625,174.53/68,557.89
  6. Step 6: Final answer
    x = 52,913.31

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1.5x scale

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.