Home / 68,306.50-94,263.71-38,498.50

Finding the Fourth Proportional to 68,306.50, 94,263.71 and 38,498.50

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Solution

The fourth proportional to 68,306.50, 94,263.71 and 38,498.50 is: 53,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,306.50 : 94,263.71 = 38,498.50 : x
  2. Step 2: Convert to fraction form
    68,306.50/94,263.71 = 38,498.50/x
  3. Step 3: Cross multiply
    68,306.50x = 94,263.71 × 38,498.50
  4. Step 4: Simplify right side
    68,306.50x = 3,629,011,439.44
  5. Step 5: Solve for x
    x = 3,629,011,439.44/68,306.50
  6. Step 6: Final answer
    x = 53,128.35

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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.