Home / 69,915.30-96,539.94-56,996.58

Finding the Fourth Proportional to 69,915.30, 96,539.94 and 56,996.58

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Solution

The fourth proportional to 69,915.30, 96,539.94 and 56,996.58 is: 78,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,915.30 : 96,539.94 = 56,996.58 : x
  2. Step 2: Convert to fraction form
    69,915.30/96,539.94 = 56,996.58/x
  3. Step 3: Cross multiply
    69,915.30x = 96,539.94 × 56,996.58
  4. Step 4: Simplify right side
    69,915.30x = 5,502,446,413.41
  5. Step 5: Solve for x
    x = 5,502,446,413.41/69,915.30
  6. Step 6: Final answer
    x = 78,701.61

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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.