Home / 94,940.32-142,285.92-69,862.96

Finding the Fourth Proportional to 94,940.32, 142,285.92 and 69,862.96

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Solution

The fourth proportional to 94,940.32, 142,285.92 and 69,862.96 is: 104,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,940.32 : 142,285.92 = 69,862.96 : x
  2. Step 2: Convert to fraction form
    94,940.32/142,285.92 = 69,862.96/x
  3. Step 3: Cross multiply
    94,940.32x = 142,285.92 × 69,862.96
  4. Step 4: Simplify right side
    94,940.32x = 9,940,515,537.52
  5. Step 5: Solve for x
    x = 9,940,515,537.52/94,940.32
  6. Step 6: Final answer
    x = 104,702.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.