Home / 68,386.28-102,549.24-30,944.84

Finding the Fourth Proportional to 68,386.28, 102,549.24 and 30,944.84

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Solution

The fourth proportional to 68,386.28, 102,549.24 and 30,944.84 is: 46,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.28 : 102,549.24 = 30,944.84 : x
  2. Step 2: Convert to fraction form
    68,386.28/102,549.24 = 30,944.84/x
  3. Step 3: Cross multiply
    68,386.28x = 102,549.24 × 30,944.84
  4. Step 4: Simplify right side
    68,386.28x = 3,173,369,311.18
  5. Step 5: Solve for x
    x = 3,173,369,311.18/68,386.28
  6. Step 6: Final answer
    x = 46,403.60

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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.