Home / 94,033.30-129,731.90-61,785.28

Finding the Fourth Proportional to 94,033.30, 129,731.90 and 61,785.28

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Solution

The fourth proportional to 94,033.30, 129,731.90 and 61,785.28 is: 85,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,033.30 : 129,731.90 = 61,785.28 : x
  2. Step 2: Convert to fraction form
    94,033.30/129,731.90 = 61,785.28/x
  3. Step 3: Cross multiply
    94,033.30x = 129,731.90 × 61,785.28
  4. Step 4: Simplify right side
    94,033.30x = 8,015,521,766.43
  5. Step 5: Solve for x
    x = 8,015,521,766.43/94,033.30
  6. Step 6: Final answer
    x = 85,241.31

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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.