Home / 69,437.87-95,830.15-39,228.73

Finding the Fourth Proportional to 69,437.87, 95,830.15 and 39,228.73

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Solution

The fourth proportional to 69,437.87, 95,830.15 and 39,228.73 is: 54,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,437.87 : 95,830.15 = 39,228.73 : x
  2. Step 2: Convert to fraction form
    69,437.87/95,830.15 = 39,228.73/x
  3. Step 3: Cross multiply
    69,437.87x = 95,830.15 × 39,228.73
  4. Step 4: Simplify right side
    69,437.87x = 3,759,295,178.28
  5. Step 5: Solve for x
    x = 3,759,295,178.28/69,437.87
  6. Step 6: Final answer
    x = 54,138.98

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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.