Home / 68,915.51-95,113.68-42,073.58

Finding the Fourth Proportional to 68,915.51, 95,113.68 and 42,073.58

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Solution

The fourth proportional to 68,915.51, 95,113.68 and 42,073.58 is: 58,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,915.51 : 95,113.68 = 42,073.58 : x
  2. Step 2: Convert to fraction form
    68,915.51/95,113.68 = 42,073.58/x
  3. Step 3: Cross multiply
    68,915.51x = 95,113.68 × 42,073.58
  4. Step 4: Simplify right side
    68,915.51x = 4,001,772,549.01
  5. Step 5: Solve for x
    x = 4,001,772,549.01/68,915.51
  6. Step 6: Final answer
    x = 58,067.81

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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.