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Finding the Fourth Proportional to 68,246.10, 102,433.95 and 42,002.10

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Solution

The fourth proportional to 68,246.10, 102,433.95 and 42,002.10 is: 63,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,246.10 : 102,433.95 = 42,002.10 : x
  2. Step 2: Convert to fraction form
    68,246.10/102,433.95 = 42,002.10/x
  3. Step 3: Cross multiply
    68,246.10x = 102,433.95 × 42,002.10
  4. Step 4: Simplify right side
    68,246.10x = 4,302,441,011.30
  5. Step 5: Solve for x
    x = 4,302,441,011.30/68,246.10
  6. Step 6: Final answer
    x = 63,043.03

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1.5x scale

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.