Home / 54,581.56-75,318.52-30,703.64

Finding the Fourth Proportional to 54,581.56, 75,318.52 and 30,703.64

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Solution

The fourth proportional to 54,581.56, 75,318.52 and 30,703.64 is: 42,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581.56 : 75,318.52 = 30,703.64 : x
  2. Step 2: Convert to fraction form
    54,581.56/75,318.52 = 30,703.64/x
  3. Step 3: Cross multiply
    54,581.56x = 75,318.52 × 30,703.64
  4. Step 4: Simplify right side
    54,581.56x = 2,312,552,193.30
  5. Step 5: Solve for x
    x = 2,312,552,193.30/54,581.56
  6. Step 6: Final answer
    x = 42,368.75

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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.