Home / 69,429.05-95,813.84-42,586.36

Finding the Fourth Proportional to 69,429.05, 95,813.84 and 42,586.36

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Solution

The fourth proportional to 69,429.05, 95,813.84 and 42,586.36 is: 58,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,429.05 : 95,813.84 = 42,586.36 : x
  2. Step 2: Convert to fraction form
    69,429.05/95,813.84 = 42,586.36/x
  3. Step 3: Cross multiply
    69,429.05x = 95,813.84 × 42,586.36
  4. Step 4: Simplify right side
    69,429.05x = 4,080,362,310.61
  5. Step 5: Solve for x
    x = 4,080,362,310.61/69,429.05
  6. Step 6: Final answer
    x = 58,770.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.