Home / 53,858.97-80,817.63-51,895.53

Finding the Fourth Proportional to 53,858.97, 80,817.63 and 51,895.53

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Solution

The fourth proportional to 53,858.97, 80,817.63 and 51,895.53 is: 77,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,858.97 : 80,817.63 = 51,895.53 : x
  2. Step 2: Convert to fraction form
    53,858.97/80,817.63 = 51,895.53/x
  3. Step 3: Cross multiply
    53,858.97x = 80,817.63 × 51,895.53
  4. Step 4: Simplify right side
    53,858.97x = 4,194,073,742.19
  5. Step 5: Solve for x
    x = 4,194,073,742.19/53,858.97
  6. Step 6: Final answer
    x = 77,871.41

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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.