Home / 54,774.04-81,771.96-52,830.04

Finding the Fourth Proportional to 54,774.04, 81,771.96 and 52,830.04

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Solution

The fourth proportional to 54,774.04, 81,771.96 and 52,830.04 is: 78,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,774.04 : 81,771.96 = 52,830.04 : x
  2. Step 2: Convert to fraction form
    54,774.04/81,771.96 = 52,830.04/x
  3. Step 3: Cross multiply
    54,774.04x = 81,771.96 × 52,830.04
  4. Step 4: Simplify right side
    54,774.04x = 4,320,015,917.68
  5. Step 5: Solve for x
    x = 4,320,015,917.68/54,774.04
  6. Step 6: Final answer
    x = 78,869.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.