Home / 69,000.12-103,278.58-46,469.30

Finding the Fourth Proportional to 69,000.12, 103,278.58 and 46,469.30

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Solution

The fourth proportional to 69,000.12, 103,278.58 and 46,469.30 is: 69,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,000.12 : 103,278.58 = 46,469.30 : x
  2. Step 2: Convert to fraction form
    69,000.12/103,278.58 = 46,469.30/x
  3. Step 3: Cross multiply
    69,000.12x = 103,278.58 × 46,469.30
  4. Step 4: Simplify right side
    69,000.12x = 4,799,282,685.03
  5. Step 5: Solve for x
    x = 4,799,282,685.03/69,000.12
  6. Step 6: Final answer
    x = 69,554.70

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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.