Home / 68,934.60-103,312.50-30,955.83

Finding the Fourth Proportional to 68,934.60, 103,312.50 and 30,955.83

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Solution

The fourth proportional to 68,934.60, 103,312.50 and 30,955.83 is: 46,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,934.60 : 103,312.50 = 30,955.83 : x
  2. Step 2: Convert to fraction form
    68,934.60/103,312.50 = 30,955.83/x
  3. Step 3: Cross multiply
    68,934.60x = 103,312.50 × 30,955.83
  4. Step 4: Simplify right side
    68,934.60x = 3,198,123,915.54
  5. Step 5: Solve for x
    x = 3,198,123,915.54/68,934.60
  6. Step 6: Final answer
    x = 46,393.60

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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.