Home / 69,455.59-95,846.73-40,774.78

Finding the Fourth Proportional to 69,455.59, 95,846.73 and 40,774.78

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Solution

The fourth proportional to 69,455.59, 95,846.73 and 40,774.78 is: 56,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,455.59 : 95,846.73 = 40,774.78 : x
  2. Step 2: Convert to fraction form
    69,455.59/95,846.73 = 40,774.78/x
  3. Step 3: Cross multiply
    69,455.59x = 95,846.73 × 40,774.78
  4. Step 4: Simplify right side
    69,455.59x = 3,908,129,329.47
  5. Step 5: Solve for x
    x = 3,908,129,329.47/69,455.59
  6. Step 6: Final answer
    x = 56,268.03

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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.