Home / 68,515.38-94,510.53-50,656.50

Finding the Fourth Proportional to 68,515.38, 94,510.53 and 50,656.50

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Solution

The fourth proportional to 68,515.38, 94,510.53 and 50,656.50 is: 69,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,515.38 : 94,510.53 = 50,656.50 : x
  2. Step 2: Convert to fraction form
    68,515.38/94,510.53 = 50,656.50/x
  3. Step 3: Cross multiply
    68,515.38x = 94,510.53 × 50,656.50
  4. Step 4: Simplify right side
    68,515.38x = 4,787,572,662.95
  5. Step 5: Solve for x
    x = 4,787,572,662.95/68,515.38
  6. Step 6: Final answer
    x = 69,875.88

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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.