Home / 68,915.15-95,117.73-42,051.91

Finding the Fourth Proportional to 68,915.15, 95,117.73 and 42,051.91

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Solution

The fourth proportional to 68,915.15, 95,117.73 and 42,051.91 is: 58,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,915.15 : 95,117.73 = 42,051.91 : x
  2. Step 2: Convert to fraction form
    68,915.15/95,117.73 = 42,051.91/x
  3. Step 3: Cross multiply
    68,915.15x = 95,117.73 × 42,051.91
  4. Step 4: Simplify right side
    68,915.15x = 3,999,882,221.36
  5. Step 5: Solve for x
    x = 3,999,882,221.36/68,915.15
  6. Step 6: Final answer
    x = 58,040.68

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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.