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Finding the Fourth Proportional to 70,000.08, 105,025.17 and 30,002.28

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Solution

The fourth proportional to 70,000.08, 105,025.17 and 30,002.28 is: 45,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,000.08 : 105,025.17 = 30,002.28 : x
  2. Step 2: Convert to fraction form
    70,000.08/105,025.17 = 30,002.28/x
  3. Step 3: Cross multiply
    70,000.08x = 105,025.17 × 30,002.28
  4. Step 4: Simplify right side
    70,000.08x = 3,150,994,276.05
  5. Step 5: Solve for x
    x = 3,150,994,276.05/70,000.08
  6. Step 6: Final answer
    x = 45,014.15

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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.