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Finding the Fourth Proportional to 69,703.50, 104,496.46 and 30,230.88

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Solution

The fourth proportional to 69,703.50, 104,496.46 and 30,230.88 is: 45,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,703.50 : 104,496.46 = 30,230.88 : x
  2. Step 2: Convert to fraction form
    69,703.50/104,496.46 = 30,230.88/x
  3. Step 3: Cross multiply
    69,703.50x = 104,496.46 × 30,230.88
  4. Step 4: Simplify right side
    69,703.50x = 3,159,019,939.19
  5. Step 5: Solve for x
    x = 3,159,019,939.19/69,703.50
  6. Step 6: Final answer
    x = 45,320.83

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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.